13551984 has 30 divisors (see below), whose sum is σ = 37927136. Its totient is φ = 4517280.

The previous prime is 13551971. The next prime is 13552001. The reversal of 13551984 is 48915531.

13551984 is a `hidden beast` number, since 13 + 551 + 98 + 4 = 666.

13551984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46912 + ... + 47199.

Almost surely, 2^13551984 is an apocalyptic number.

It is an amenable number.

13551984 is an abundant number, since it is smaller than the sum of its proper divisors (24375152).

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

13551984 is a wasteful number, since it uses less digits than its factorization.

13551984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94125 (or 94116 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 13551984 is about 3681.3019436064. The cubic root of 13551984 is about 238.4153939581.

It can be divided in two parts, 13551 and 984, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 13551984 in words is "thirteen million, five hundred fifty-one thousand, nine hundred eighty-four".