13740564 has 48 divisors (see below), whose sum is σ = 33904640. Its totient is φ = 4324320.

The previous prime is 13740563. The next prime is 13740581. The reversal of 13740564 is 46504731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13740563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15567 + ... + 16425.

Almost surely, 2^13740564 is an apocalyptic number.

It is an amenable number.

13740564 is an abundant number, since it is smaller than the sum of its proper divisors (20164076).

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

13740564 is a wasteful number, since it uses less digits than its factorization.

13740564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 13740564 is about 3706.8266752035. The cubic root of 13740564 is about 239.5161780847.

The spelling of 13740564 in words is "thirteen million, seven hundred forty thousand, five hundred sixty-four".