Search a number
-
+
12401113 = 83149411
BaseRepresentation
bin101111010011…
…100111011001
3212100001010111
4233103213121
511133313423
61121444321
7210256564
oct57234731
925301114
1012401113
11700015a
1241a06a1
13275274a
14190b4db
15114e60d
hexbd39d9

12401113 has 4 divisors (see below), whose sum is σ = 12550608. Its totient is φ = 12251620.

The previous prime is 12401111. The next prime is 12401141. The reversal of 12401113 is 31110421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31110421 = 231352627.

It is a cyclic number.

It is not a de Polignac number, because 12401113 - 21 = 12401111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12401093 and 12401102.

It is not an unprimeable number, because it can be changed into a prime (12401111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74623 + ... + 74788.

It is an arithmetic number, because the mean of its divisors is an integer number (3137652).

Almost surely, 212401113 is an apocalyptic number.

It is an amenable number.

12401113 is a deficient number, since it is larger than the sum of its proper divisors (149495).

12401113 is an equidigital number, since it uses as much as digits as its factorization.

12401113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149494.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12401113 is about 3521.5214041661. The cubic root of 12401113 is about 231.4658303465.

Adding to 12401113 its reverse (31110421), we get a palindrome (43511534).

The spelling of 12401113 in words is "twelve million, four hundred one thousand, one hundred thirteen".

Divisors: 1 83 149411 12401113