13487552 has 84 divisors (see below), whose sum is σ = 30678120. Its totient is φ = 5870592.

The previous prime is 13487531. The next prime is 13487557. The reversal of 13487552 is 25578431.

13487552 = 259² + 260² + ... + 386².

It is a happy number.

13487552 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 (13487557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313643 + ... + 313685.

Almost surely, 2^13487552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13487552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15339060).

13487552 is an abundant number, since it is smaller than the sum of its proper divisors (17190568).

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

13487552 is a wasteful number, since it uses less digits than its factorization.

13487552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 87 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 13487552 is about 3672.5402652660. The cubic root of 13487552 is about 238.0369502219.

The spelling of 13487552 in words is "thirteen million, four hundred eighty-seven thousand, five hundred fifty-two".