13982625 has 40 divisors (see below), whose sum is σ = 26086632. Its totient is φ = 7452000.

The previous prime is 13982621. The next prime is 13982627. The reversal of 13982625 is 52628931.

13982625 is a `hidden beast` number, since 1 + 398 + 262 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 762129 + 13220496 = 873^2 + 3636^2 .

It is not a de Polignac number, because 13982625 - 2² = 13982621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13982625.

It is not an unprimeable number, because it can be changed into a prime (13982621) 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 39 ways as a sum of consecutive naturals, for example, 9435 + ... + 10815.

Almost surely, 2^13982625 is an apocalyptic number.

13982625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13982625 is a deficient number, since it is larger than the sum of its proper divisors (12104007).

13982625 is an equidigital number, since it uses as much as digits as its factorization.

13982625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1389 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 13982625 is about 3739.3348338976. The cubic root of 13982625 is about 240.9144798518.

The spelling of 13982625 in words is "thirteen million, nine hundred eighty-two thousand, six hundred twenty-five".