13521884 has 12 divisors (see below), whose sum is σ = 24692304. Its totient is φ = 6466944.

The previous prime is 13521881. The next prime is 13521889. The reversal of 13521884 is 48812531.

It is a self number, because there is not a number n which added to its sum of digits gives 13521884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73397 + ... + 73580.

It is an arithmetic number, because the mean of its divisors is an integer number (2057692).

Almost surely, 2^13521884 is an apocalyptic number.

It is an amenable number.

13521884 is a deficient number, since it is larger than the sum of its proper divisors (11170420).

13521884 is a wasteful number, since it uses less digits than its factorization.

13521884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147004 (or 147002 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 13521884 is about 3677.2114434718. The cubic root of 13521884 is about 238.2387501308.

The spelling of 13521884 in words is "thirteen million, five hundred twenty-one thousand, eight hundred eighty-four".