13779244 has 12 divisors (see below), whose sum is σ = 24765664. Its totient is φ = 6703344.

The previous prime is 13779223. The next prime is 13779251. The reversal of 13779244 is 44297731.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 46404 + ... + 46699.

Almost surely, 2^13779244 is an apocalyptic number.

It is an amenable number.

13779244 is a deficient number, since it is larger than the sum of its proper divisors (10986420).

13779244 is a wasteful number, since it uses less digits than its factorization.

13779244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93144 (or 93142 counting only the distinct ones).

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

The square root of 13779244 is about 3712.0404092628. The cubic root of 13779244 is about 239.7407153524.

The spelling of 13779244 in words is "thirteen million, seven hundred seventy-nine thousand, two hundred forty-four".