13947625 has 8 divisors (see below), whose sum is σ = 17406792. Its totient is φ = 11158000.

The previous prime is 13947617. The next prime is 13947629. The reversal of 13947625 is 52674931.

It can be written as a sum of positive squares in 4 ways, for example, as 375769 + 13571856 = 613^2 + 3684^2 .

It is not a de Polignac number, because 13947625 - 2³ = 13947617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13947629) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 55666 + ... + 55915.

It is an arithmetic number, because the mean of its divisors is an integer number (2175849).

Almost surely, 2^13947625 is an apocalyptic number.

It is an amenable number.

13947625 is a deficient number, since it is larger than the sum of its proper divisors (3459167).

13947625 is an equidigital number, since it uses as much as digits as its factorization.

13947625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111596 (or 111586 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 13947625 is about 3734.6519248787. The cubic root of 13947625 is about 240.7133003642.

The spelling of 13947625 in words is "thirteen million, nine hundred forty-seven thousand, six hundred twenty-five".