13115490 has 32 divisors (see below), whose sum is σ = 32247936. Its totient is φ = 3411840.

The previous prime is 13115489. The next prime is 13115513. The reversal of 13115490 is 9451131.

It is a self number, because there is not a number n which added to its sum of digits gives 13115490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4102 + ... + 6561.

It is an arithmetic number, because the mean of its divisors is an integer number (1007748).

Almost surely, 2^13115490 is an apocalyptic number.

13115490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13115490 is an abundant number, since it is smaller than the sum of its proper divisors (19132446).

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

13115490 is a wasteful number, since it uses less digits than its factorization.

13115490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 13115490 is about 3621.5314440165. The cubic root of 13115490 is about 235.8277134791.

The spelling of 13115490 in words is "thirteen million, one hundred fifteen thousand, four hundred ninety".