13497887 has 8 divisors (see below), whose sum is σ = 14754096. Its totient is φ = 12272832.

The previous prime is 13497877. The next prime is 13497899. The reversal of 13497887 is 78879431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13497887 - 2¹⁰ = 13496863 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 (13497817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6878 + ... + 8619.

It is an arithmetic number, because the mean of its divisors is an integer number (1844262).

Almost surely, 2^13497887 is an apocalyptic number.

13497887 is a deficient number, since it is larger than the sum of its proper divisors (1256209).

13497887 is a wasteful number, since it uses less digits than its factorization.

13497887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15577.

The product of its digits is 338688, while the sum is 47.

The square root of 13497887 is about 3673.9470600432. The cubic root of 13497887 is about 238.0977342640.

The spelling of 13497887 in words is "thirteen million, four hundred ninety-seven thousand, eight hundred eighty-seven".