13213378 has 8 divisors (see below), whose sum is σ = 20459520. Its totient is φ = 6393540.

The previous prime is 13213363. The next prime is 13213391. The reversal of 13213378 is 87331231.

13213378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 106498 + ... + 106621.

It is an arithmetic number, because the mean of its divisors is an integer number (2557440).

Almost surely, 2^13213378 is an apocalyptic number.

13213378 is a deficient number, since it is larger than the sum of its proper divisors (7246142).

13213378 is a wasteful number, since it uses less digits than its factorization.

13213378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213152.

The product of its digits is 3024, while the sum is 28.

The square root of 13213378 is about 3635.0210453311. The cubic root of 13213378 is about 236.4129631587.

The spelling of 13213378 in words is "thirteen million, two hundred thirteen thousand, three hundred seventy-eight".