13258064 has 20 divisors (see below), whose sum is σ = 25918356. Its totient is φ = 6569472.

The previous prime is 13258039. The next prime is 13258073. The reversal of 13258064 is 46085231.

It can be written as a sum of positive squares in 2 ways, for example, as 153664 + 13104400 = 392^2 + 3620^2 .

It is a super-2 number, since 2×13258064² = 351552522056192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859 + ... + 5474.

Almost surely, 2^13258064 is an apocalyptic number.

It is an amenable number.

13258064 is a deficient number, since it is larger than the sum of its proper divisors (12660292).

13258064 is a wasteful number, since it uses less digits than its factorization.

13258064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454 (or 7448 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 13258064 is about 3641.1624517453. The cubic root of 13258064 is about 236.6791696981.

The spelling of 13258064 in words is "thirteen million, two hundred fifty-eight thousand, sixty-four".