13315087 has 4 divisors (see below), whose sum is σ = 13404600. Its totient is φ = 13225576.

The previous prime is 13315069. The next prime is 13315103. The reversal of 13315087 is 78051331.

13315087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13315087 - 2¹¹ = 13313039 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 (13315007) 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, 44533 + ... + 44830.

It is an arithmetic number, because the mean of its divisors is an integer number (3351150).

Almost surely, 2^13315087 is an apocalyptic number.

13315087 is a deficient number, since it is larger than the sum of its proper divisors (89513).

13315087 is an equidigital number, since it uses as much as digits as its factorization.

13315087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89512.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 13315087 is about 3648.9843792486. The cubic root of 13315087 is about 237.0180038190.

The spelling of 13315087 in words is "thirteen million, three hundred fifteen thousand, eighty-seven".