12430291 has 2 divisors, whose sum is σ = 12430292. Its totient is φ = 12430290.

The previous prime is 12430283. The next prime is 12430303. The reversal of 12430291 is 19203421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12430291 - 2³ = 12430283 is a prime.

It is not a weakly prime, because it can be changed into another prime (12430211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215145 + 6215146.

It is an arithmetic number, because the mean of its divisors is an integer number (6215146).

Almost surely, 2^12430291 is an apocalyptic number.

12430291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12430291 is an equidigital number, since it uses as much as digits as its factorization.

12430291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12430291 is about 3525.6617818503. The cubic root of 12430291 is about 231.6472232070.

It can be divided in two parts, 12430 and 291, that added together give a palindrome (12721).

The spelling of 12430291 in words is "twelve million, four hundred thirty thousand, two hundred ninety-one".