11522913 has 4 divisors (see below), whose sum is σ = 15363888. Its totient is φ = 7681940.

The previous prime is 11522909. The next prime is 11522939. The reversal of 11522913 is 31922511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11522913 - 2² = 11522909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11522983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920483 + ... + 1920488.

It is an arithmetic number, because the mean of its divisors is an integer number (3840972).

Almost surely, 2^11522913 is an apocalyptic number.

It is an amenable number.

11522913 is a deficient number, since it is larger than the sum of its proper divisors (3840975).

11522913 is an equidigital number, since it uses as much as digits as its factorization.

11522913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840974.

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

The square root of 11522913 is about 3394.5416479990. The cubic root of 11522913 is about 225.8676817018.

The spelling of 11522913 in words is "eleven million, five hundred twenty-two thousand, nine hundred thirteen".