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12203113 = 132932369
BaseRepresentation
bin101110100011…
…010001101001
3211221222112011
4232203101221
511110444423
61113315521
7205503406
oct56432151
924858464
1012203113
11698541a
124105ba1
1326b35a0
1418992ad
151110b0d
hexba3469

12203113 has 8 divisors (see below), whose sum is σ = 13595400. Its totient is φ = 10875648.

The previous prime is 12203089. The next prime is 12203137. The reversal of 12203113 is 31130221.

12203113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12203089) and next prime (12203137).

It can be written as a sum of positive squares in 4 ways, for example, as 71824 + 12131289 = 268^2 + 3483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12203113 - 221 = 10105961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 12203093 and 12203102.

It is not an unprimeable number, because it can be changed into a prime (12203153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15808 + ... + 16561.

It is an arithmetic number, because the mean of its divisors is an integer number (1699425).

Almost surely, 212203113 is an apocalyptic number.

12203113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12203113 is a deficient number, since it is larger than the sum of its proper divisors (1392287).

12203113 is a wasteful number, since it uses less digits than its factorization.

12203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32411.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12203113 is about 3493.2954355451. The cubic root of 12203113 is about 230.2273303697.

Adding to 12203113 its reverse (31130221), we get a palindrome (43333334).

The spelling of 12203113 in words is "twelve million, two hundred three thousand, one hundred thirteen".

Divisors: 1 13 29 377 32369 420797 938701 12203113