13507864 has 16 divisors (see below), whose sum is σ = 25367400. Its totient is φ = 6743232.

The previous prime is 13507861. The next prime is 13507867. The reversal of 13507864 is 46870531.

It is an interprime number because it is at equal distance from previous prime (13507861) and next prime (13507867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13507861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7324 + ... + 8980.

Almost surely, 2^13507864 is an apocalyptic number.

It is an amenable number.

13507864 is a deficient number, since it is larger than the sum of its proper divisors (11859536).

13507864 is a wasteful number, since it uses less digits than its factorization.

13507864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2678 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 13507864 is about 3675.3046132260. The cubic root of 13507864 is about 238.1563833461.

The spelling of 13507864 in words is "thirteen million, five hundred seven thousand, eight hundred sixty-four".