12453131 has 2 divisors, whose sum is σ = 12453132. Its totient is φ = 12453130.

The previous prime is 12453109. The next prime is 12453157. The reversal of 12453131 is 13135421.

12453131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12453131 is a prime.

It is a super-2 number, since 2×12453131² = 310160943406322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12453191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226565 + 6226566.

It is an arithmetic number, because the mean of its divisors is an integer number (6226566).

Almost surely, 2^12453131 is an apocalyptic number.

12453131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453131 is an equidigital number, since it uses as much as digits as its factorization.

12453131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 12453131 is about 3528.8994034968. The cubic root of 12453131 is about 231.7890162229.

Adding to 12453131 its reverse (13135421), we get a palindrome (25588552).

The spelling of 12453131 in words is "twelve million, four hundred fifty-three thousand, one hundred thirty-one".