11630831 has 4 divisors (see below), whose sum is σ = 12243000. Its totient is φ = 11018664.

The previous prime is 11630821. The next prime is 11630833. The reversal of 11630831 is 13803611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11630831 is a prime.

It is a super-2 number, since 2×11630831² = 270552459501122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11630797 and 11630806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11630833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306056 + ... + 306093.

It is an arithmetic number, because the mean of its divisors is an integer number (3060750).

Almost surely, 2^11630831 is an apocalyptic number.

11630831 is a deficient number, since it is larger than the sum of its proper divisors (612169).

11630831 is an equidigital number, since it uses as much as digits as its factorization.

11630831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612168.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 11630831 is about 3410.4004163734. The cubic root of 11630831 is about 226.5706140986.

The spelling of 11630831 in words is "eleven million, six hundred thirty thousand, eight hundred thirty-one".