13243087 has 12 divisors (see below), whose sum is σ = 15678040. Its totient is φ = 11111760.

The previous prime is 13243079. The next prime is 13243091. The reversal of 13243087 is 78034231.

13243087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13243087 - 2³ = 13243079 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243067) 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, 2637 + ... + 5782.

Almost surely, 2^13243087 is an apocalyptic number.

13243087 is a deficient number, since it is larger than the sum of its proper divisors (2434953).

13243087 is a wasteful number, since it uses less digits than its factorization.

13243087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8454 (or 8443 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 13243087 is about 3639.1052471727. The cubic root of 13243087 is about 236.5900144102.

The spelling of 13243087 in words is "thirteen million, two hundred forty-three thousand, eighty-seven".