13090806 has 12 divisors (see below), whose sum is σ = 28363452. Its totient is φ = 4363596.

The previous prime is 13090793. The next prime is 13090873. The reversal of 13090806 is 60809031.

It is a self number, because there is not a number n which added to its sum of digits gives 13090806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 363616 + ... + 363651.

It is an arithmetic number, because the mean of its divisors is an integer number (2363621).

Almost surely, 2^13090806 is an apocalyptic number.

13090806 is an abundant number, since it is smaller than the sum of its proper divisors (15272646).

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

13090806 is a wasteful number, since it uses less digits than its factorization.

13090806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727275 (or 727272 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 13090806 is about 3618.1218884941. The cubic root of 13090806 is about 235.6796740994.

Adding to 13090806 its reverse (60809031), we get a palindrome (73899837).

The spelling of 13090806 in words is "thirteen million, ninety thousand, eight hundred six".