12494431 has 4 divisors (see below), whose sum is σ = 12514864. Its totient is φ = 12474000.

The previous prime is 12494413. The next prime is 12494437. The reversal of 12494431 is 13449421.

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 12494431 - 2⁹ = 12493919 is a prime.

It is a super-2 number, since 2×12494431² = 312221612027522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12494431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12494437) 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, 9270 + ... + 10531.

It is an arithmetic number, because the mean of its divisors is an integer number (3128716).

Almost surely, 2^12494431 is an apocalyptic number.

12494431 is a deficient number, since it is larger than the sum of its proper divisors (20433).

12494431 is an equidigital number, since it uses as much as digits as its factorization.

12494431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20432.

The product of its digits is 3456, while the sum is 28.

The square root of 12494431 is about 3534.7462426601. The cubic root of 12494431 is about 232.0449712168.

The spelling of 12494431 in words is "twelve million, four hundred ninety-four thousand, four hundred thirty-one".