12495831 has 16 divisors (see below), whose sum is σ = 17574144. Its totient is φ = 7881984.

The previous prime is 12495829. The next prime is 12495841. The reversal of 12495831 is 13859421.

It is not a de Polignac number, because 12495831 - 2¹ = 12495829 is a prime.

It is a super-2 number, since 2×12495831² = 312291584761122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12495792 and 12495801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12495841) 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 15 ways as a sum of consecutive naturals, for example, 5760 + ... + 7626.

It is an arithmetic number, because the mean of its divisors is an integer number (1098384).

Almost surely, 2^12495831 is an apocalyptic number.

12495831 is a deficient number, since it is larger than the sum of its proper divisors (5078313).

12495831 is a wasteful number, since it uses less digits than its factorization.

12495831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990.

The product of its digits is 8640, while the sum is 33.

The square root of 12495831 is about 3534.9442711307. The cubic root of 12495831 is about 232.0536377666.

The spelling of 12495831 in words is "twelve million, four hundred ninety-five thousand, eight hundred thirty-one".