11504313 has 12 divisors (see below), whose sum is σ = 17023188. Its totient is φ = 7482240.

The previous prime is 11504309. The next prime is 11504321. The reversal of 11504313 is 31340511.

It can be written as a sum of positive squares in 2 ways, for example, as 4149369 + 7354944 = 2037^2 + 2712^2 .

It is not a de Polignac number, because 11504313 - 2² = 11504309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11504303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15220 + ... + 15957.

It is an arithmetic number, because the mean of its divisors is an integer number (1418599).

Almost surely, 2^11504313 is an apocalyptic number.

It is an amenable number.

11504313 is a deficient number, since it is larger than the sum of its proper divisors (5518875).

11504313 is a wasteful number, since it uses less digits than its factorization.

11504313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31224 (or 31221 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 11504313 is about 3391.8008491066. The cubic root of 11504313 is about 225.7460862520.

Adding to 11504313 its reverse (31340511), we get a palindrome (42844824).

The spelling of 11504313 in words is "eleven million, five hundred four thousand, three hundred thirteen".