12972968 has 8 divisors (see below), whose sum is σ = 24324330. Its totient is φ = 6486480.

The previous prime is 12972959. The next prime is 12973013. The reversal of 12972968 is 86927921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12264004 + 708964 = 3502^2 + 842^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810803 + ... + 810818.

Almost surely, 2^12972968 is an apocalyptic number.

It is an amenable number.

12972968 is a deficient number, since it is larger than the sum of its proper divisors (11351362).

12972968 is a wasteful number, since it uses less digits than its factorization.

12972968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621627 (or 1621623 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 12972968 is about 3601.8006607807. The cubic root of 12972968 is about 234.9703780378.

The spelling of 12972968 in words is "twelve million, nine hundred seventy-two thousand, nine hundred sixty-eight".