13730564 has 12 divisors (see below), whose sum is σ = 24299100. Its totient is φ = 6787968.

The previous prime is 13730537. The next prime is 13730569. The reversal of 13730564 is 46503731.

It can be written as a sum of positive squares in 2 ways, for example, as 5721664 + 8008900 = 2392^2 + 2830^2 .

It is not an unprimeable number, because it can be changed into a prime (13730569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18929 + ... + 19640.

It is an arithmetic number, because the mean of its divisors is an integer number (2024925).

Almost surely, 2^13730564 is an apocalyptic number.

It is an amenable number.

13730564 is a deficient number, since it is larger than the sum of its proper divisors (10568536).

13730564 is a wasteful number, since it uses less digits than its factorization.

13730564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38662 (or 38660 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 13730564 is about 3705.4775670620. The cubic root of 13730564 is about 239.4580595809.

The spelling of 13730564 in words is "thirteen million, seven hundred thirty thousand, five hundred sixty-four".