12430431 has 12 divisors (see below), whose sum is σ = 19336408. Its totient is φ = 7649424.

The previous prime is 12430423. The next prime is 12430433. The reversal of 12430431 is 13403421.

It is not a de Polignac number, because 12430431 - 2³ = 12430423 is a prime.

It is a super-2 number, since 2×12430431² = 309031229691522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12430433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53005 + ... + 53238.

Almost surely, 2^12430431 is an apocalyptic number.

12430431 is a deficient number, since it is larger than the sum of its proper divisors (6905977).

12430431 is a wasteful number, since it uses less digits than its factorization.

12430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106262 (or 106259 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12430431 is about 3525.6816362230. The cubic root of 12430431 is about 231.6480928699.

Adding to 12430431 its reverse (13403421), we get a palindrome (25833852).

The spelling of 12430431 in words is "twelve million, four hundred thirty thousand, four hundred thirty-one".