13376720 has 40 divisors (see below), whose sum is σ = 35545344. Its totient is φ = 4586112.

The previous prime is 13376719. The next prime is 13376729. The reversal of 13376720 is 2767331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13376729) 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, 11384 + ... + 12503.

Almost surely, 2^13376720 is an apocalyptic number.

13376720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13376720 is an abundant number, since it is smaller than the sum of its proper divisors (22168624).

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

13376720 is a wasteful number, since it uses less digits than its factorization.

13376720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23907 (or 23901 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 13376720 is about 3657.4198555813. The cubic root of 13376720 is about 237.3831447301.

The spelling of 13376720 in words is "thirteen million, three hundred seventy-six thousand, seven hundred twenty".