13378672 has 20 divisors (see below), whose sum is σ = 26288496. Its totient is φ = 6594560.

The previous prime is 13378667. The next prime is 13378693. The reversal of 13378672 is 27687331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4753 + ... + 7024.

Almost surely, 2^13378672 is an apocalyptic number.

It is an amenable number.

13378672 is a deficient number, since it is larger than the sum of its proper divisors (12909824).

13378672 is a wasteful number, since it uses less digits than its factorization.

13378672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11856 (or 11850 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 13378672 is about 3657.6867006347. The cubic root of 13378672 is about 237.3946908929.

The spelling of 13378672 in words is "thirteen million, three hundred seventy-eight thousand, six hundred seventy-two".