13240965 has 32 divisors (see below), whose sum is σ = 22320000. Its totient is φ = 6693120.

The previous prime is 13240949. The next prime is 13240973. The reversal of 13240965 is 56904231.

It is not a de Polignac number, because 13240965 - 2⁴ = 13240949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26286 + ... + 26784.

It is an arithmetic number, because the mean of its divisors is an integer number (697500).

Almost surely, 2^13240965 is an apocalyptic number.

13240965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13240965 is a deficient number, since it is larger than the sum of its proper divisors (9079035).

13240965 is a wasteful number, since it uses less digits than its factorization.

13240965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13240965 is about 3638.8136803085. The cubic root of 13240965 is about 236.5773771042.

The spelling of 13240965 in words is "thirteen million, two hundred forty thousand, nine hundred sixty-five".