13992944 has 40 divisors (see below), whose sum is σ = 31316448. Its totient is φ = 5932800.

The previous prime is 13992941. The next prime is 13992959. The reversal of 13992944 is 44929931.

13992944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13992941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10694 + ... + 11930.

Almost surely, 2^13992944 is an apocalyptic number.

13992944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13992944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15658224).

13992944 is an abundant number, since it is smaller than the sum of its proper divisors (17323504).

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

13992944 is a wasteful number, since it uses less digits than its factorization.

13992944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353 (or 1347 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 13992944 is about 3740.7143702774. The cubic root of 13992944 is about 240.9737292232.

The spelling of 13992944 in words is "thirteen million, nine hundred ninety-two thousand, nine hundred forty-four".