11236913 has 2 divisors, whose sum is σ = 11236914. Its totient is φ = 11236912.

The previous prime is 11236879. The next prime is 11236921. The reversal of 11236913 is 31963211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11102224 + 134689 = 3332^2 + 367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11236913 is a prime.

It is not a weakly prime, because it can be changed into another prime (11236943) 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 as a sum of consecutive naturals, namely, 5618456 + 5618457.

It is an arithmetic number, because the mean of its divisors is an integer number (5618457).

Almost surely, 2^11236913 is an apocalyptic number.

It is an amenable number.

11236913 is a deficient number, since it is larger than the sum of its proper divisors (1).

11236913 is an equidigital number, since it uses as much as digits as its factorization.

11236913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 11236913 is about 3352.1505037811. The cubic root of 11236913 is about 223.9833174757.

The spelling of 11236913 in words is "eleven million, two hundred thirty-six thousand, nine hundred thirteen".