13126972 has 12 divisors (see below), whose sum is σ = 23002560. Its totient is φ = 6554816.

The previous prime is 13126963. The next prime is 13126991. The reversal of 13126972 is 27962131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229 + ... + 5587.

It is an arithmetic number, because the mean of its divisors is an integer number (1916880).

Almost surely, 2^13126972 is an apocalyptic number.

It is an amenable number.

13126972 is a deficient number, since it is larger than the sum of its proper divisors (9875588).

13126972 is a wasteful number, since it uses less digits than its factorization.

13126972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340 (or 4338 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 13126972 is about 3623.1163381818. The cubic root of 13126972 is about 235.8965121290.

The spelling of 13126972 in words is "thirteen million, one hundred twenty-six thousand, nine hundred seventy-two".