13790320 has 40 divisors (see below), whose sum is σ = 32247936. Its totient is φ = 5484288.

The previous prime is 13790311. The next prime is 13790321. The reversal of 13790320 is 2309731.

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 (13790321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17454 + ... + 18226.

Almost surely, 2^13790320 is an apocalyptic number.

13790320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13790320 is an abundant number, since it is smaller than the sum of its proper divisors (18457616).

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

13790320 is a wasteful number, since it uses less digits than its factorization.

13790320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 13790320 is about 3713.5320114414. The cubic root of 13790320 is about 239.8049340909.

The spelling of 13790320 in words is "thirteen million, seven hundred ninety thousand, three hundred twenty".