13290870 has 32 divisors (see below), whose sum is σ = 32643072. Its totient is φ = 3461472.

The previous prime is 13290853. The next prime is 13290887. The reversal of 13290870 is 7809231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13290853) and next prime (13290887).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3862 + ... + 6441.

It is an arithmetic number, because the mean of its divisors is an integer number (1020096).

Almost surely, 2^13290870 is an apocalyptic number.

13290870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13290870 is an abundant number, since it is smaller than the sum of its proper divisors (19352202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13290870 is a wasteful number, since it uses less digits than its factorization.

13290870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 13290870 is about 3645.6645484740. The cubic root of 13290870 is about 236.8742233506.

The spelling of 13290870 in words is "thirteen million, two hundred ninety thousand, eight hundred seventy".