13670625 has 40 divisors (see below), whose sum is σ = 23842368. Its totient is φ = 6952000.

The previous prime is 13670623. The next prime is 13670639. The reversal of 13670625 is 52607631.

It is not a de Polignac number, because 13670625 - 2¹ = 13670623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13670592 and 13670601.

It is not an unprimeable number, because it can be changed into a prime (13670623) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42967 + ... + 43283.

Almost surely, 2^13670625 is an apocalyptic number.

13670625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13670625 is a deficient number, since it is larger than the sum of its proper divisors (10171743).

13670625 is an equidigital number, since it uses as much as digits as its factorization.

13670625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 13670625 is about 3697.3808297226. The cubic root of 13670625 is about 239.1091102676.

The spelling of 13670625 in words is "thirteen million, six hundred seventy thousand, six hundred twenty-five".