11204631 has 12 divisors (see below), whose sum is σ = 16459560. Its totient is φ = 7342800.

The previous prime is 11204621. The next prime is 11204647. The reversal of 11204631 is 13640211.

It is a happy number.

11204631 is a `hidden beast` number, since 11 + 20 + 4 + 631 = 666.

It is not a de Polignac number, because 11204631 - 2⁷ = 11204503 is a prime.

It is a super-2 number, since 2×11204631² = 251087511692322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11204621) 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 in 11 ways as a sum of consecutive naturals, for example, 10020 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (1371630).

Almost surely, 2^11204631 is an apocalyptic number.

11204631 is a deficient number, since it is larger than the sum of its proper divisors (5254929).

11204631 is a wasteful number, since it uses less digits than its factorization.

11204631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21166 (or 21163 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 11204631 is about 3347.3319225915. The cubic root of 11204631 is about 223.7686213604.

Adding to 11204631 its reverse (13640211), we get a palindrome (24844842).

The spelling of 11204631 in words is "eleven million, two hundred four thousand, six hundred thirty-one".