13040864 has 12 divisors (see below), whose sum is σ = 25674264. Its totient is φ = 6520416.

The previous prime is 13040861. The next prime is 13040873. The reversal of 13040864 is 46804031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040861) 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 as a sum of consecutive naturals, namely, 203732 + ... + 203795.

It is an arithmetic number, because the mean of its divisors is an integer number (2139522).

Almost surely, 2^13040864 is an apocalyptic number.

It is an amenable number.

13040864 is a deficient number, since it is larger than the sum of its proper divisors (12633400).

13040864 is an equidigital number, since it uses as much as digits as its factorization.

13040864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407537 (or 407529 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 13040864 is about 3611.2136464075. The cubic root of 13040864 is about 235.3795827178.

Adding to 13040864 its reverse (46804031), we get a palindrome (59844895).

The spelling of 13040864 in words is "thirteen million, forty thousand, eight hundred sixty-four".