12534831 has 20 divisors (see below), whose sum is σ = 19828512. Its totient is φ = 7864128.

The previous prime is 12534803. The next prime is 12534857. The reversal of 12534831 is 13843521.

It is a happy number.

12534831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12534831 - 2⁷ = 12534703 is a prime.

It is a super-2 number, since 2×12534831² = 314243976397122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12534795 and 12534804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532831) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3175 + ... + 5928.

Almost surely, 2^12534831 is an apocalyptic number.

12534831 is a deficient number, since it is larger than the sum of its proper divisors (7293681).

12534831 is an equidigital number, since it uses as much as digits as its factorization.

12534831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9132 (or 9123 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 12534831 is about 3540.4563265206. The cubic root of 12534831 is about 232.2948033449.

It can be divided in two parts, 1253 and 4831, that added together give a square (6084 = 78²).

The spelling of 12534831 in words is "twelve million, five hundred thirty-four thousand, eight hundred thirty-one".