13265487 has 24 divisors (see below), whose sum is σ = 19801808. Its totient is φ = 8553600.

The previous prime is 13265479. The next prime is 13265507. The reversal of 13265487 is 78456231.

It is not a de Polignac number, because 13265487 - 2³ = 13265479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13265437) 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 23 ways as a sum of consecutive naturals, for example, 39912 + ... + 40242.

Almost surely, 2^13265487 is an apocalyptic number.

13265487 is a deficient number, since it is larger than the sum of its proper divisors (6536321).

13265487 is a wasteful number, since it uses less digits than its factorization.

13265487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 468 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 13265487 is about 3642.1816264431. The cubic root of 13265487 is about 236.7233325486.

The spelling of 13265487 in words is "thirteen million, two hundred sixty-five thousand, four hundred eighty-seven".