12933831 has 16 divisors (see below), whose sum is σ = 17890400. Its totient is φ = 8304768.

The previous prime is 12933829. The next prime is 12933847. The reversal of 12933831 is 13833921.

It is not a de Polignac number, because 12933831 - 2¹ = 12933829 is a prime.

It is a super-2 number, since 2×12933831² = 334567968673122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12933871) 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 15 ways as a sum of consecutive naturals, for example, 11565 + ... + 12633.

It is an arithmetic number, because the mean of its divisors is an integer number (1118150).

Almost surely, 2^12933831 is an apocalyptic number.

12933831 is a deficient number, since it is larger than the sum of its proper divisors (4956569).

12933831 is a wasteful number, since it uses less digits than its factorization.

12933831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218.

The product of its digits is 3888, while the sum is 30.

The square root of 12933831 is about 3596.3635800625. The cubic root of 12933831 is about 234.7338529089.

The spelling of 12933831 in words is "twelve million, nine hundred thirty-three thousand, eight hundred thirty-one".