12298631 has 4 divisors (see below), whose sum is σ = 12560352. Its totient is φ = 12036912.

The previous prime is 12298621. The next prime is 12298651. The reversal of 12298631 is 13689221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12298631 is a prime.

It is a super-2 number, since 2×12298631² = 302512648948322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12298621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130790 + ... + 130883.

It is an arithmetic number, because the mean of its divisors is an integer number (3140088).

Almost surely, 2^12298631 is an apocalyptic number.

12298631 is a deficient number, since it is larger than the sum of its proper divisors (261721).

12298631 is an equidigital number, since it uses as much as digits as its factorization.

12298631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261720.

The product of its digits is 5184, while the sum is 32.

The square root of 12298631 is about 3506.9404043981. The cubic root of 12298631 is about 230.8264596157.

The spelling of 12298631 in words is "twelve million, two hundred ninety-eight thousand, six hundred thirty-one".