11307513 has 32 divisors (see below), whose sum is σ = 18450432. Its totient is φ = 6019200.

The previous prime is 11307503. The next prime is 11307521. The reversal of 11307513 is 31570311.

It is not a de Polignac number, because 11307513 - 2¹⁷ = 11176441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11307513.

It is not an unprimeable number, because it can be changed into a prime (11307503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19518 + ... + 20088.

It is an arithmetic number, because the mean of its divisors is an integer number (576576).

Almost surely, 2^11307513 is an apocalyptic number.

It is an amenable number.

11307513 is a deficient number, since it is larger than the sum of its proper divisors (7142919).

11307513 is a wasteful number, since it uses less digits than its factorization.

11307513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 11307513 is about 3362.6645684635. The cubic root of 11307513 is about 224.4514240896.

Adding to 11307513 its reverse (31570311), we get a palindrome (42877824).

The spelling of 11307513 in words is "eleven million, three hundred seven thousand, five hundred thirteen".