13402965 has 16 divisors (see below), whose sum is σ = 21503808. Its totient is φ = 7128576.

The previous prime is 13402957. The next prime is 13402979. The reversal of 13402965 is 56920431.

It is not a de Polignac number, because 13402965 - 2³ = 13402957 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5637 + ... + 7653.

It is an arithmetic number, because the mean of its divisors is an integer number (1343988).

Almost surely, 2^13402965 is an apocalyptic number.

13402965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13402965 is a deficient number, since it is larger than the sum of its proper divisors (8100843).

13402965 is a wasteful number, since it uses less digits than its factorization.

13402965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468.

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

The square root of 13402965 is about 3661.0060092821. The cubic root of 13402965 is about 237.5382911484.

The spelling of 13402965 in words is "thirteen million, four hundred two thousand, nine hundred sixty-five".