13507940 has 24 divisors (see below), whose sum is σ = 29283072. Its totient is φ = 5228640.

The previous prime is 13507931. The next prime is 13507957. The reversal of 13507940 is 4970531.

13507940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10274 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (1220128).

Almost surely, 2^13507940 is an apocalyptic number.

13507940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13507940 is an abundant number, since it is smaller than the sum of its proper divisors (15775132).

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

13507940 is a wasteful number, since it uses less digits than its factorization.

13507940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21827 (or 21825 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13507940 is about 3675.3149524905. The cubic root of 13507940 is about 238.1568299958.

The spelling of 13507940 in words is "thirteen million, five hundred seven thousand, nine hundred forty".