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12349131 = 34116377
BaseRepresentation
bin101111000110…
…111011001011
3212020101211020
4233012323023
511130133011
61120403523
7206652204
oct57067313
925211736
1012349131
116a750a3
1241765a3
132734ba2
1418d65ab
15113e006
hexbc6ecb

12349131 has 4 divisors (see below), whose sum is σ = 16465512. Its totient is φ = 8232752.

The previous prime is 12349111. The next prime is 12349133. The reversal of 12349131 is 13194321.

12349131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12349131 - 27 = 12349003 is a prime.

It is a super-2 number, since 2×123491312 = 305002072910322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12349133) 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, 2058186 + ... + 2058191.

It is an arithmetic number, because the mean of its divisors is an integer number (4116378).

Almost surely, 212349131 is an apocalyptic number.

12349131 is a deficient number, since it is larger than the sum of its proper divisors (4116381).

12349131 is an equidigital number, since it uses as much as digits as its factorization.

12349131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116380.

The product of its digits is 648, while the sum is 24.

The square root of 12349131 is about 3514.1330367532. The cubic root of 12349131 is about 231.1419640472.

The spelling of 12349131 in words is "twelve million, three hundred forty-nine thousand, one hundred thirty-one".

Divisors: 1 3 4116377 12349131