13782964 has 18 divisors (see below), whose sum is σ = 26119590. Its totient is φ = 6361056.

The previous prime is 13782959. The next prime is 13782983. The reversal of 13782964 is 46928731.

It can be written as a sum of positive squares in 3 ways, for example, as 1123600 + 12659364 = 1060^2 + 3558^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9519 + ... + 10870.

Almost surely, 2^13782964 is an apocalyptic number.

It is an amenable number.

13782964 is a deficient number, since it is larger than the sum of its proper divisors (12336626).

13782964 is a wasteful number, since it uses less digits than its factorization.

13782964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20419 (or 20404 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 13782964 is about 3712.5414475801. The cubic root of 13782964 is about 239.7622877796.

The spelling of 13782964 in words is "thirteen million, seven hundred eighty-two thousand, nine hundred sixty-four".