13377940 has 24 divisors (see below), whose sum is σ = 28435680. Its totient is φ = 5286048.

The previous prime is 13377937. The next prime is 13377941. The reversal of 13377940 is 4977331.

It is a junction number, because it is equal to n+sod(n) for n = 13377896 and 13377905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13377941) 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, 2370 + ... + 5689.

It is an arithmetic number, because the mean of its divisors is an integer number (1184820).

Almost surely, 2^13377940 is an apocalyptic number.

13377940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13377940 is an abundant number, since it is smaller than the sum of its proper divisors (15057740).

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

13377940 is a wasteful number, since it uses less digits than its factorization.

13377940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151 (or 8149 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 13377940 is about 3657.5866360211. The cubic root of 13377940 is about 237.3903612135.

The spelling of 13377940 in words is "thirteen million, three hundred seventy-seven thousand, nine hundred forty".