12453191 has 2 divisors, whose sum is σ = 12453192. Its totient is φ = 12453190.

The previous prime is 12453179. The next prime is 12453241. The reversal of 12453191 is 19135421.

12453191 is digitally balanced in base 2, 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-12453191 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12453191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12453131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226595 + 6226596.

It is an arithmetic number, because the mean of its divisors is an integer number (6226596).

Almost surely, 2^12453191 is an apocalyptic number.

12453191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453191 is an equidigital number, since it uses as much as digits as its factorization.

12453191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 26.

The square root of 12453191 is about 3528.9079047207. The cubic root of 12453191 is about 231.7893884805.

The spelling of 12453191 in words is "twelve million, four hundred fifty-three thousand, one hundred ninety-one".