12968831 has 8 divisors (see below), whose sum is σ = 13160784. Its totient is φ = 12778560.

The previous prime is 12968821. The next prime is 12968861. The reversal of 12968831 is 13886921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12968831 is a prime.

It is a super-2 number, since 2×12968831² = 336381155013122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12968821) 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, 24536 + ... + 25058.

It is an arithmetic number, because the mean of its divisors is an integer number (1645098).

Almost surely, 2^12968831 is an apocalyptic number.

12968831 is a deficient number, since it is larger than the sum of its proper divisors (191953).

12968831 is a wasteful number, since it uses less digits than its factorization.

12968831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841.

The product of its digits is 20736, while the sum is 38.

The square root of 12968831 is about 3601.2263189086. The cubic root of 12968831 is about 234.9453985111.

The spelling of 12968831 in words is "twelve million, nine hundred sixty-eight thousand, eight hundred thirty-one".