13204940 has 24 divisors (see below), whose sum is σ = 31692192. Its totient is φ = 4527360.

The previous prime is 13204907. The next prime is 13204949. The reversal of 13204940 is 4940231.

It is not an unprimeable number, because it can be changed into a prime (13204949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47021 + ... + 47300.

It is an arithmetic number, because the mean of its divisors is an integer number (1320508).

Almost surely, 2^13204940 is an apocalyptic number.

13204940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13204940 is an abundant number, since it is smaller than the sum of its proper divisors (18487252).

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

13204940 is a wasteful number, since it uses less digits than its factorization.

13204940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94337 (or 94335 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13204940 is about 3633.8602064471. The cubic root of 13204940 is about 236.3626283801.

The spelling of 13204940 in words is "thirteen million, two hundred four thousand, nine hundred forty".