13980244 has 12 divisors (see below), whose sum is σ = 24986304. Its totient is φ = 6841304.

The previous prime is 13980193. The next prime is 13980269. The reversal of 13980244 is 44208931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36994 + ... + 37369.

It is an arithmetic number, because the mean of its divisors is an integer number (2082192).

Almost surely, 2^13980244 is an apocalyptic number.

It is an amenable number.

13980244 is a deficient number, since it is larger than the sum of its proper divisors (11006060).

13980244 is a wasteful number, since it uses less digits than its factorization.

13980244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74414 (or 74412 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 13980244 is about 3739.0164482120. The cubic root of 13980244 is about 240.9008045479.

The spelling of 13980244 in words is "thirteen million, nine hundred eighty thousand, two hundred forty-four".