11604631 has 2 divisors, whose sum is σ = 11604632. Its totient is φ = 11604630.

The previous prime is 11604623. The next prime is 11604641. The reversal of 11604631 is 13640611.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (13640611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11604631 - 2³ = 11604623 is a prime.

It is a super-2 number, since 2×11604631² = 269334921292322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11604641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802315 + 5802316.

It is an arithmetic number, because the mean of its divisors is an integer number (5802316).

Almost surely, 2^11604631 is an apocalyptic number.

11604631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11604631 is an equidigital number, since it uses as much as digits as its factorization.

11604631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 11604631 is about 3406.5570595544. The cubic root of 11604631 is about 226.4003593392.

The spelling of 11604631 in words is "eleven million, six hundred four thousand, six hundred thirty-one".