12297431 has 8 divisors (see below), whose sum is σ = 12870144. Its totient is φ = 11737440.

The previous prime is 12297419. The next prime is 12297463. The reversal of 12297431 is 13479221.

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

It is a cyclic number.

It is not a de Polignac number, because 12297431 - 2¹⁰ = 12296407 is a prime.

It is a super-2 number, since 2×12297431² = 302453618399522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12297394 and 12297403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12297401) 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, 1175 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (1608768).

Almost surely, 2^12297431 is an apocalyptic number.

12297431 is a deficient number, since it is larger than the sum of its proper divisors (572713).

12297431 is an equidigital number, since it uses as much as digits as its factorization.

12297431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6361.

The product of its digits is 3024, while the sum is 29.

The square root of 12297431 is about 3506.7693109185. The cubic root of 12297431 is about 230.8189519844.

The spelling of 12297431 in words is "twelve million, two hundred ninety-seven thousand, four hundred thirty-one".