13553984 has 14 divisors (see below), whose sum is σ = 26896314. Its totient is φ = 6776960.

The previous prime is 13553959. The next prime is 13553989. The reversal of 13553984 is 48935531.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10758400 + 2795584 = 3280^2 + 1672^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13553989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105827 + ... + 105954.

Almost surely, 2^13553984 is an apocalyptic number.

It is an amenable number.

13553984 is a deficient number, since it is larger than the sum of its proper divisors (13342330).

13553984 is an equidigital number, since it uses as much as digits as its factorization.

13553984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211793 (or 211783 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 13553984 is about 3681.5735766110. The cubic root of 13553984 is about 238.4271218186.

The spelling of 13553984 in words is "thirteen million, five hundred fifty-three thousand, nine hundred eighty-four".