13996625 has 8 divisors (see below), whose sum is σ = 17467944. Its totient is φ = 11197200.

The previous prime is 13996607. The next prime is 13996639. The reversal of 13996625 is 52669931.

It can be written as a sum of positive squares in 4 ways, for example, as 913936 + 13082689 = 956^2 + 3617^2 .

It is not a de Polignac number, because 13996625 - 2⁶ = 13996561 is a prime.

It is a super-2 number, since 2×13996625² = 391811022781250, which contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 55862 + ... + 56111.

It is an arithmetic number, because the mean of its divisors is an integer number (2183493).

Almost surely, 2^13996625 is an apocalyptic number.

It is an amenable number.

13996625 is a deficient number, since it is larger than the sum of its proper divisors (3471319).

13996625 is an equidigital number, since it uses as much as digits as its factorization.

13996625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111988 (or 111978 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 13996625 is about 3741.2063562439. The cubic root of 13996625 is about 240.9948576464.

The spelling of 13996625 in words is "thirteen million, nine hundred ninety-six thousand, six hundred twenty-five".