13887525 has 12 divisors (see below), whose sum is σ = 22960832. Its totient is φ = 7406640.

The previous prime is 13887493. The next prime is 13887539. The reversal of 13887525 is 52578831.

13887525 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13887525 - 2⁵ = 13887493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92509 + ... + 92658.

Almost surely, 2^13887525 is an apocalyptic number.

13887525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13887525 is a deficient number, since it is larger than the sum of its proper divisors (9073307).

13887525 is a wasteful number, since it uses less digits than its factorization.

13887525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185180 (or 185175 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The square root of 13887525 is about 3726.5969731110. The cubic root of 13887525 is about 240.3670598543.

The spelling of 13887525 in words is "thirteen million, eight hundred eighty-seven thousand, five hundred twenty-five".