13057378 has 8 divisors (see below), whose sum is σ = 19740672. Its totient is φ = 6477156.

The previous prime is 13057367. The next prime is 13057379. The reversal of 13057378 is 87375031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13057379) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25450 + ... + 25957.

It is an arithmetic number, because the mean of its divisors is an integer number (2467584).

Almost surely, 2^13057378 is an apocalyptic number.

13057378 is a deficient number, since it is larger than the sum of its proper divisors (6683294).

13057378 is a wasteful number, since it uses less digits than its factorization.

13057378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51536.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 13057378 is about 3613.4994119274. The cubic root of 13057378 is about 235.4788966594.

The spelling of 13057378 in words is "thirteen million, fifty-seven thousand, three hundred seventy-eight".