13903244 has 6 divisors (see below), whose sum is σ = 24330684. Its totient is φ = 6951620.

The previous prime is 13903243. The next prime is 13903271. The reversal of 13903244 is 44230931.

It is not an unprimeable number, because it can be changed into a prime (13903243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1737902 + ... + 1737909.

It is an arithmetic number, because the mean of its divisors is an integer number (4055114).

Almost surely, 2^13903244 is an apocalyptic number.

It is an amenable number.

13903244 is a deficient number, since it is larger than the sum of its proper divisors (10427440).

13903244 is a wasteful number, since it uses less digits than its factorization.

13903244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475815 (or 3475813 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13903244 is about 3728.7054053652. The cubic root of 13903244 is about 240.4577144808.

The spelling of 13903244 in words is "thirteen million, nine hundred three thousand, two hundred forty-four".