13090878 has 12 divisors (see below), whose sum is σ = 28363608. Its totient is φ = 4363620.

The previous prime is 13090873. The next prime is 13090907. The reversal of 13090878 is 87809031.

13090878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13090873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 363618 + ... + 363653.

It is an arithmetic number, because the mean of its divisors is an integer number (2363634).

Almost surely, 2^13090878 is an apocalyptic number.

13090878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13090878 is an abundant number, since it is smaller than the sum of its proper divisors (15272730).

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

13090878 is a wasteful number, since it uses less digits than its factorization.

13090878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727279 (or 727276 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 13090878 is about 3618.1318383940. The cubic root of 13090878 is about 235.6801061814.

The spelling of 13090878 in words is "thirteen million, ninety thousand, eight hundred seventy-eight".