12969994 has 16 divisors (see below), whose sum is σ = 19907136. Its totient is φ = 6336000.

The previous prime is 12969977. The next prime is 12970007. The reversal of 12969994 is 49996921.

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, 19914 + ... + 20554.

It is an arithmetic number, because the mean of its divisors is an integer number (1244196).

Almost surely, 2^12969994 is an apocalyptic number.

12969994 is a deficient number, since it is larger than the sum of its proper divisors (6937142).

12969994 is a wasteful number, since it uses less digits than its factorization.

12969994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

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

The square root of 12969994 is about 3601.3877880617. The cubic root of 12969994 is about 234.9524213320.

The spelling of 12969994 in words is "twelve million, nine hundred sixty-nine thousand, nine hundred ninety-four".