11828931 has 4 divisors (see below), whose sum is σ = 15771912. Its totient is φ = 7885952.

The previous prime is 11828903. The next prime is 11828933. The reversal of 11828931 is 13982811.

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

It is a cyclic number.

It is not a de Polignac number, because 11828931 - 2⁵ = 11828899 is a prime.

It is a super-2 number, since 2×11828931² = 279847217205522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11828892 and 11828901.

It is not an unprimeable number, because it can be changed into a prime (11828933) 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, 1971486 + ... + 1971491.

It is an arithmetic number, because the mean of its divisors is an integer number (3942978).

Almost surely, 2^11828931 is an apocalyptic number.

11828931 is a deficient number, since it is larger than the sum of its proper divisors (3942981).

11828931 is an equidigital number, since it uses as much as digits as its factorization.

11828931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942980.

The product of its digits is 3456, while the sum is 33.

The square root of 11828931 is about 3439.3212993264. The cubic root of 11828931 is about 227.8497201441.

The spelling of 11828931 in words is "eleven million, eight hundred twenty-eight thousand, nine hundred thirty-one".