13180940 has 12 divisors (see below), whose sum is σ = 27680016. Its totient is φ = 5272368.

The previous prime is 13180939. The next prime is 13180957. The reversal of 13180940 is 4908131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329504 + ... + 329543.

It is an arithmetic number, because the mean of its divisors is an integer number (2306668).

Almost surely, 2^13180940 is an apocalyptic number.

13180940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13180940 is an abundant number, since it is smaller than the sum of its proper divisors (14499076).

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

13180940 is a wasteful number, since it uses less digits than its factorization.

13180940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659056 (or 659054 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 13180940 is about 3630.5564311824. The cubic root of 13180940 is about 236.2193450515.

The spelling of 13180940 in words is "thirteen million, one hundred eighty thousand, nine hundred forty".