13391270 has 8 divisors (see below), whose sum is σ = 24104304. Its totient is φ = 5356504.

The previous prime is 13391251. The next prime is 13391293. The reversal of 13391270 is 7219331.

13391270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13391270² = 358652224425800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669554 + ... + 669573.

It is an arithmetic number, because the mean of its divisors is an integer number (3013038).

Almost surely, 2^13391270 is an apocalyptic number.

13391270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13391270 is a deficient number, since it is larger than the sum of its proper divisors (10713034).

13391270 is a wasteful number, since it uses less digits than its factorization.

13391270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339134.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 13391270 is about 3659.4084221360. The cubic root of 13391270 is about 237.4691815967.

The spelling of 13391270 in words is "thirteen million, three hundred ninety-one thousand, two hundred seventy".