11513308 has 18 divisors (see below), whose sum is σ = 20601896. Its totient is φ = 5629848.

The previous prime is 11513291. The next prime is 11513309. The reversal of 11513308 is 80331511.

It is a super-2 number, since 2×11513308² = 265112522205728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8185 + ... + 9487.

Almost surely, 2^11513308 is an apocalyptic number.

It is an amenable number.

11513308 is a deficient number, since it is larger than the sum of its proper divisors (9088588).

11513308 is a wasteful number, since it uses less digits than its factorization.

11513308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1352 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 11513308 is about 3393.1265817826. The cubic root of 11513308 is about 225.8049064252.

Adding to 11513308 its reverse (80331511), we get a palindrome (91844819).

The spelling of 11513308 in words is "eleven million, five hundred thirteen thousand, three hundred eight".