11513291 has 2 divisors, whose sum is σ = 11513292. Its totient is φ = 11513290.

The previous prime is 11513287. The next prime is 11513309. The reversal of 11513291 is 19231511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11513291 - 2² = 11513287 is a prime.

It is not a weakly prime, because it can be changed into another prime (11513191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756645 + 5756646.

It is an arithmetic number, because the mean of its divisors is an integer number (5756646).

Almost surely, 2^11513291 is an apocalyptic number.

11513291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11513291 is an equidigital number, since it uses as much as digits as its factorization.

11513291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 23.

The square root of 11513291 is about 3393.1240767175. The cubic root of 11513291 is about 225.8047952876.

The spelling of 11513291 in words is "eleven million, five hundred thirteen thousand, two hundred ninety-one".