13239470 has 16 divisors (see below), whose sum is σ = 23954400. Its totient is φ = 5268384.

The previous prime is 13239469. The next prime is 13239493. The reversal of 13239470 is 7493231.

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, 1337 + ... + 5316.

It is an arithmetic number, because the mean of its divisors is an integer number (1497150).

Almost surely, 2^13239470 is an apocalyptic number.

13239470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13239470 is a deficient number, since it is larger than the sum of its proper divisors (10714930).

13239470 is a wasteful number, since it uses less digits than its factorization.

13239470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6859.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13239470 is about 3638.6082504166. The cubic root of 13239470 is about 236.5684730077.

The spelling of 13239470 in words is "thirteen million, two hundred thirty-nine thousand, four hundred seventy".