13628425 has 12 divisors (see below), whose sum is σ = 16958736. Its totient is φ = 10864400.

The previous prime is 13628413. The next prime is 13628467. The reversal of 13628425 is 52482631.

It is not a de Polignac number, because 13628425 - 2⁵ = 13628393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7890 + ... + 9460.

It is an arithmetic number, because the mean of its divisors is an integer number (1413228).

Almost surely, 2^13628425 is an apocalyptic number.

It is an amenable number.

13628425 is a deficient number, since it is larger than the sum of its proper divisors (3330311).

13628425 is a wasteful number, since it uses less digits than its factorization.

13628425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1923 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 13628425 is about 3691.6696764472. The cubic root of 13628425 is about 238.8628205034.

It can be divided in two parts, 136 and 28425, that added together give a 4-th power (28561 = 13⁴).

The spelling of 13628425 in words is "thirteen million, six hundred twenty-eight thousand, four hundred twenty-five".