12046831 has 4 divisors (see below), whose sum is σ = 12081312. Its totient is φ = 12012352.

The previous prime is 12046813. The next prime is 12046843. The reversal of 12046831 is 13864021.

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 12046831 - 2¹⁵ = 12014063 is a prime.

It is a super-2 number, since 2×12046831² = 290252274285122, 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 = 12046796 and 12046805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12046031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16711 + ... + 17416.

It is an arithmetic number, because the mean of its divisors is an integer number (3020328).

Almost surely, 2^12046831 is an apocalyptic number.

12046831 is a deficient number, since it is larger than the sum of its proper divisors (34481).

12046831 is an equidigital number, since it uses as much as digits as its factorization.

12046831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34480.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12046831 is about 3470.8545057377. The cubic root of 12046831 is about 229.2402847706.

The spelling of 12046831 in words is "twelve million, forty-six thousand, eight hundred thirty-one".