12967912 has 8 divisors (see below), whose sum is σ = 24314850. Its totient is φ = 6483952.

The previous prime is 12967891. The next prime is 12967949. The reversal of 12967912 is 21976921.

It can be written as a sum of positive squares in only one way, i.e., 12916836 + 51076 = 3594^2 + 226^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810487 + ... + 810502.

Almost surely, 2^12967912 is an apocalyptic number.

It is an amenable number.

12967912 is a deficient number, since it is larger than the sum of its proper divisors (11346938).

12967912 is a wasteful number, since it uses less digits than its factorization.

12967912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620995 (or 1620991 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 12967912 is about 3601.0987212238. The cubic root of 12967912 is about 234.9398487968.

Subtracting 12967912 from its reverse (21976921), we obtain a palindrome (9009009).

The spelling of 12967912 in words is "twelve million, nine hundred sixty-seven thousand, nine hundred twelve".