13090408 has 32 divisors (see below), whose sum is σ = 26273160. Its totient is φ = 6092800.

The previous prime is 13090369. The next prime is 13090421. The reversal of 13090408 is 80409031.

It can be written as a sum of positive squares in 4 ways, for example, as 13089924 + 484 = 3618^2 + 22^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13260 + ... + 14212.

Almost surely, 2^13090408 is an apocalyptic number.

It is an amenable number.

13090408 is an abundant number, since it is smaller than the sum of its proper divisors (13182752).

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

13090408 is a wasteful number, since it uses less digits than its factorization.

13090408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 13090408 is about 3618.0668871650. The cubic root of 13090408 is about 235.6772856175.

Adding to 13090408 its reverse (80409031), we get a palindrome (93499439).

The spelling of 13090408 in words is "thirteen million, ninety thousand, four hundred eight".