12574431 has 6 divisors (see below), whose sum is σ = 18163080. Its totient is φ = 8382948.

The previous prime is 12574423. The next prime is 12574433. The reversal of 12574431 is 13447521.

12574431 is nontrivially palindromic in base 5.

It is not a de Polignac number, because 12574431 - 2³ = 12574423 is a prime.

It is a super-2 number, since 2×12574431² = 316232629947522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12574395 and 12574404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12574433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 698571 + ... + 698588.

It is an arithmetic number, because the mean of its divisors is an integer number (3027180).

Almost surely, 2^12574431 is an apocalyptic number.

12574431 is a deficient number, since it is larger than the sum of its proper divisors (5588649).

12574431 is a wasteful number, since it uses less digits than its factorization.

12574431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397165 (or 1397162 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 12574431 is about 3546.0444159655. The cubic root of 12574431 is about 232.5391678723.

The spelling of 12574431 in words is "twelve million, five hundred seventy-four thousand, four hundred thirty-one".