12130431 has 8 divisors (see below), whose sum is σ = 16194864. Its totient is φ = 8076480.

The previous prime is 12130411. The next prime is 12130441. The reversal of 12130431 is 13403121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12130431 - 2⁹ = 12129919 is a prime.

It is a super-2 number, since 2×12130431² = 294294712491522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12130431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675 + ... + 4971.

It is an arithmetic number, because the mean of its divisors is an integer number (2024358).

Almost surely, 2^12130431 is an apocalyptic number.

12130431 is a deficient number, since it is larger than the sum of its proper divisors (4064433).

12130431 is an equidigital number, since it uses as much as digits as its factorization.

12130431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 12130431 is about 3482.8768281408. The cubic root of 12130431 is about 229.7693402746.

Adding to 12130431 its reverse (13403121), we get a palindrome (25533552).

It can be divided in two parts, 12130 and 431, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 12130431 in words is "twelve million, one hundred thirty thousand, four hundred thirty-one".