12999964 has 6 divisors (see below), whose sum is σ = 22749944. Its totient is φ = 6499980.

The previous prime is 12999953. The next prime is 12999967. The reversal of 12999964 is 46999921.

12999964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12999967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624992 + ... + 1624999.

Almost surely, 2^12999964 is an apocalyptic number.

It is an amenable number.

12999964 is a deficient number, since it is larger than the sum of its proper divisors (9749980).

12999964 is a wasteful number, since it uses less digits than its factorization.

12999964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249995 (or 3249993 counting only the distinct ones).

The product of its digits is 314928, while the sum is 49.

The square root of 12999964 is about 3605.5462831588. The cubic root of 12999964 is about 235.1332517256.

The spelling of 12999964 in words is "twelve million, nine hundred ninety-nine thousand, nine hundred sixty-four".