12943912 has 8 divisors (see below), whose sum is σ = 24269850. Its totient is φ = 6471952.

The previous prime is 12943901. The next prime is 12943927. The reversal of 12943912 is 21934921.

It can be written as a sum of positive squares in only one way, i.e., 10074276 + 2869636 = 3174^2 + 1694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808987 + ... + 809002.

Almost surely, 2^12943912 is an apocalyptic number.

It is an amenable number.

12943912 is a deficient number, since it is larger than the sum of its proper divisors (11325938).

12943912 is a wasteful number, since it uses less digits than its factorization.

12943912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617995 (or 1617991 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 12943912 is about 3597.7648616884. The cubic root of 12943912 is about 234.7948231772.

The spelling of 12943912 in words is "twelve million, nine hundred forty-three thousand, nine hundred twelve".