13996544 has 20 divisors (see below), whose sum is σ = 27966774. Its totient is φ = 6998016.

The previous prime is 13996537. The next prime is 13996561. The reversal of 13996544 is 44569931.

It can be written as a sum of positive squares in only one way, i.e., 8761600 + 5234944 = 2960^2 + 2288^2 .

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13157 + ... + 14180.

Almost surely, 2^13996544 is an apocalyptic number.

It is an amenable number.

13996544 is a deficient number, since it is larger than the sum of its proper divisors (13970230).

13996544 is an frugal number, since it uses more digits than its factorization.

13996544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27355 (or 27339 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 13996544 is about 3741.1955308430. The cubic root of 13996544 is about 240.9943927576.

The spelling of 13996544 in words is "thirteen million, nine hundred ninety-six thousand, five hundred forty-four".