13625972 has 6 divisors (see below), whose sum is σ = 23845458. Its totient is φ = 6812984.

The previous prime is 13625951. The next prime is 13626001. The reversal of 13625972 is 27952631.

It can be written as a sum of positive squares in only one way, i.e., 8271376 + 5354596 = 2876^2 + 2314^2 .

It is a super-2 number, since 2×13625972² = 371334225889568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1703243 + ... + 1703250.

It is an arithmetic number, because the mean of its divisors is an integer number (3974243).

Almost surely, 2^13625972 is an apocalyptic number.

It is an amenable number.

13625972 is a deficient number, since it is larger than the sum of its proper divisors (10219486).

13625972 is a wasteful number, since it uses less digits than its factorization.

13625972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406497 (or 3406495 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 13625972 is about 3691.3374270039. The cubic root of 13625972 is about 238.8484885549.

The spelling of 13625972 in words is "thirteen million, six hundred twenty-five thousand, nine hundred seventy-two".