11813441 has 2 divisors, whose sum is σ = 11813442. Its totient is φ = 11813440.

The previous prime is 11813437. The next prime is 11813447. The reversal of 11813441 is 14431811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 355216 = 3385^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 11813441 - 2² = 11813437 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11813447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5906720 + 5906721.

It is an arithmetic number, because the mean of its divisors is an integer number (5906721).

Almost surely, 2^11813441 is an apocalyptic number.

It is an amenable number.

11813441 is a deficient number, since it is larger than the sum of its proper divisors (1).

11813441 is an equidigital number, since it uses as much as digits as its factorization.

11813441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 23.

The square root of 11813441 is about 3437.0686638471. The cubic root of 11813441 is about 227.7502202015.

The spelling of 11813441 in words is "eleven million, eight hundred thirteen thousand, four hundred forty-one".