12769131 has 8 divisors (see below), whose sum is σ = 17346960. Its totient is φ = 8352032.

The previous prime is 12769129. The next prime is 12769139. The reversal of 12769131 is 13196721.

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 12769131 - 2¹ = 12769129 is a prime.

It is a super-2 number, since 2×12769131² = 326101412990322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12769139) 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, 39996 + ... + 40313.

It is an arithmetic number, because the mean of its divisors is an integer number (2168370).

Almost surely, 2^12769131 is an apocalyptic number.

12769131 is a deficient number, since it is larger than the sum of its proper divisors (4577829).

12769131 is an equidigital number, since it uses as much as digits as its factorization.

12769131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80365.

The product of its digits is 2268, while the sum is 30.

The square root of 12769131 is about 3573.3920859598. The cubic root of 12769131 is about 233.7332228896.

The spelling of 12769131 in words is "twelve million, seven hundred sixty-nine thousand, one hundred thirty-one".