12943896 has 32 divisors (see below), whose sum is σ = 36983040. Its totient is φ = 3698208.

The previous prime is 12943873. The next prime is 12943901. The reversal of 12943896 is 69834921.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38356 + ... + 38691.

It is an arithmetic number, because the mean of its divisors is an integer number (1155720).

Almost surely, 2^12943896 is an apocalyptic number.

It is an amenable number.

12943896 is an abundant number, since it is smaller than the sum of its proper divisors (24039144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12943896 is a wasteful number, since it uses less digits than its factorization.

12943896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77063 (or 77059 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 12943896 is about 3597.7626380850. The cubic root of 12943896 is about 234.7947264337.

The spelling of 12943896 in words is "twelve million, nine hundred forty-three thousand, eight hundred ninety-six".