11826631 has 2 divisors, whose sum is σ = 11826632. Its totient is φ = 11826630.

The previous prime is 11826589. The next prime is 11826637. The reversal of 11826631 is 13662811.

11826631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11826631 - 2⁹ = 11826119 is a prime.

It is a super-2 number, since 2×11826631² = 279738401620322, which contains 22 as substring.

It is equal to p₇₇₇₄₁₂ and since 11826631 and 777412 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11826631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11826637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5913315 + 5913316.

It is an arithmetic number, because the mean of its divisors is an integer number (5913316).

Almost surely, 2^11826631 is an apocalyptic number.

11826631 is the 1986-th hex number.

11826631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11826631 is an equidigital number, since it uses as much as digits as its factorization.

11826631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 11826631 is about 3438.9869147759. The cubic root of 11826631 is about 227.8349515984.

The spelling of 11826631 in words is "eleven million, eight hundred twenty-six thousand, six hundred thirty-one".