13297790 has 16 divisors (see below), whose sum is σ = 26112240. Its totient is φ = 4835520.

The previous prime is 13297787. The next prime is 13297813. The reversal of 13297790 is 9779231.

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, 60335 + ... + 60554.

It is an arithmetic number, because the mean of its divisors is an integer number (1632015).

Almost surely, 2^13297790 is an apocalyptic number.

13297790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13297790 is a deficient number, since it is larger than the sum of its proper divisors (12814450).

13297790 is a wasteful number, since it uses less digits than its factorization.

13297790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120907.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 13297790 is about 3646.6134974795. The cubic root of 13297790 is about 236.9153263841.

It can be divided in two parts, 1329 and 7790, that added together give a palindrome (9119).

The spelling of 13297790 in words is "thirteen million, two hundred ninety-seven thousand, seven hundred ninety".