13531376 has 20 divisors (see below), whose sum is σ = 27063744. Its totient is φ = 6547200.

The previous prime is 13531373. The next prime is 13531391. The reversal of 13531376 is 67313531.

It is a happy number.

13531376 is an admirable number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531373) 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 3 ways as a sum of consecutive naturals, for example, 13145 + ... + 14136.

Almost surely, 2^13531376 is an apocalyptic number.

13531376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13531376 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13531376 is a wasteful number, since it uses less digits than its factorization.

13531376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27320 (or 27314 counting only the distinct ones).

The product of its digits is 5670, while the sum is 29.

The square root of 13531376 is about 3678.5018689679. The cubic root of 13531376 is about 238.2944828301.

The spelling of 13531376 in words is "thirteen million, five hundred thirty-one thousand, three hundred seventy-six".