13399760 has 40 divisors (see below), whose sum is σ = 33988896. Its totient is φ = 4872320.

The previous prime is 13399709. The next prime is 13399811. The reversal of 13399760 is 6799331.

13399760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13399709) and next prime (13399811).

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

It is a congruent number.

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, 6734 + ... + 8493.

Almost surely, 2^13399760 is an apocalyptic number.

13399760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13399760 is an abundant number, since it is smaller than the sum of its proper divisors (20589136).

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

13399760 is a wasteful number, since it uses less digits than its factorization.

13399760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15251 (or 15245 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 13399760 is about 3660.5682618960. The cubic root of 13399760 is about 237.5193557632.

The spelling of 13399760 in words is "thirteen million, three hundred ninety-nine thousand, seven hundred sixty".