13580916 has 24 divisors (see below), whose sum is σ = 31762080. Its totient is φ = 4516512.

The previous prime is 13580899. The next prime is 13580921. The reversal of 13580916 is 61908531.

It is a super-3 number, since 3×13580916³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5530 + ... + 7598.

It is an arithmetic number, because the mean of its divisors is an integer number (1323420).

Almost surely, 2^13580916 is an apocalyptic number.

It is an amenable number.

13580916 is an abundant number, since it is smaller than the sum of its proper divisors (18181164).

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

13580916 is a wasteful number, since it uses less digits than its factorization.

13580916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 13580916 is about 3685.2294365480. The cubic root of 13580916 is about 238.5849369388.

The spelling of 13580916 in words is "thirteen million, five hundred eighty thousand, nine hundred sixteen".