13488557 has 4 divisors (see below), whose sum is σ = 14075040. Its totient is φ = 12902076.

The previous prime is 13488551. The next prime is 13488589. The reversal of 13488557 is 75588431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13488557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13488551) 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, 293207 + ... + 293252.

It is an arithmetic number, because the mean of its divisors is an integer number (3518760).

Almost surely, 2^13488557 is an apocalyptic number.

It is an amenable number.

13488557 is a deficient number, since it is larger than the sum of its proper divisors (586483).

13488557 is an equidigital number, since it uses as much as digits as its factorization.

13488557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586482.

The product of its digits is 134400, while the sum is 41.

The square root of 13488557 is about 3672.6770889911. The cubic root of 13488557 is about 238.0428623695.

The spelling of 13488557 in words is "thirteen million, four hundred eighty-eight thousand, five hundred fifty-seven".