13902444 has 36 divisors (see below), whose sum is σ = 36003240. Its totient is φ = 4520640.

The previous prime is 13902437. The next prime is 13902451. The reversal of 13902444 is 44420931.

It is an interprime number because it is at equal distance from previous prime (13902437) and next prime (13902451).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3234 + ... + 6185.

It is an arithmetic number, because the mean of its divisors is an integer number (1000090).

Almost surely, 2^13902444 is an apocalyptic number.

It is an amenable number.

13902444 is an abundant number, since it is smaller than the sum of its proper divisors (22100796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13902444 is a wasteful number, since it uses less digits than its factorization.

13902444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470 (or 9465 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 13902444 is about 3728.5981279832. The cubic root of 13902444 is about 240.4531023710.

The spelling of 13902444 in words is "thirteen million, nine hundred two thousand, four hundred forty-four".