13770938 has 8 divisors (see below), whose sum is σ = 20694420. Its totient is φ = 6872800.

The previous prime is 13770929. The next prime is 13770959. The reversal of 13770938 is 83907731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13227769 + 543169 = 3637^2 + 737^2 .

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, 4913 + ... + 7188.

Almost surely, 2^13770938 is an apocalyptic number.

13770938 is a deficient number, since it is larger than the sum of its proper divisors (6923482).

13770938 is a wasteful number, since it uses less digits than its factorization.

13770938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12672.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 13770938 is about 3710.9214489127. The cubic root of 13770938 is about 239.6925345130.

The spelling of 13770938 in words is "thirteen million, seven hundred seventy thousand, nine hundred thirty-eight".