13040684 has 12 divisors (see below), whose sum is σ = 22848000. Its totient is φ = 6512688.

The previous prime is 13040659. The next prime is 13040689. The reversal of 13040684 is 48604031.

It is not an unprimeable number, because it can be changed into a prime (13040689) 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 in 3 ways as a sum of consecutive naturals, for example, 3842 + ... + 6390.

It is an arithmetic number, because the mean of its divisors is an integer number (1904000).

Almost surely, 2^13040684 is an apocalyptic number.

It is an amenable number.

13040684 is a deficient number, since it is larger than the sum of its proper divisors (9807316).

13040684 is a wasteful number, since it uses less digits than its factorization.

13040684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832 (or 3830 counting only the distinct ones).

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

The square root of 13040684 is about 3611.1887239523. The cubic root of 13040684 is about 235.3784997496.

The spelling of 13040684 in words is "thirteen million, forty thousand, six hundred eighty-four".