13378056 has 32 divisors (see below), whose sum is σ = 33782400. Its totient is φ = 4414400.

The previous prime is 13378009. The next prime is 13378063. The reversal of 13378056 is 65087331.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336 + ... + 5183.

It is an arithmetic number, because the mean of its divisors is an integer number (1055700).

Almost surely, 2^13378056 is an apocalyptic number.

It is an amenable number.

13378056 is an abundant number, since it is smaller than the sum of its proper divisors (20404344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13378056 is a wasteful number, since it uses less digits than its factorization.

13378056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629 (or 5625 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 13378056 is about 3657.6024934375. The cubic root of 13378056 is about 237.3910473481.

The spelling of 13378056 in words is "thirteen million, three hundred seventy-eight thousand, fifty-six".