13495987 has 8 divisors (see below), whose sum is σ = 13704704. Its totient is φ = 13288968.

The previous prime is 13495969. The next prime is 13496033. The reversal of 13495987 is 78959431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13495987 - 2²³ = 5107379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13495957) 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, 28918 + ... + 29380.

It is an arithmetic number, because the mean of its divisors is an integer number (1713088).

Almost surely, 2^13495987 is an apocalyptic number.

13495987 is a deficient number, since it is larger than the sum of its proper divisors (208717).

13495987 is a wasteful number, since it uses less digits than its factorization.

13495987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its digits is 272160, while the sum is 46.

The square root of 13495987 is about 3673.6884734555. The cubic root of 13495987 is about 238.0865619740.

The spelling of 13495987 in words is "thirteen million, four hundred ninety-five thousand, nine hundred eighty-seven".