12132451 has 2 divisors, whose sum is σ = 12132452. Its totient is φ = 12132450.

The previous prime is 12132443. The next prime is 12132457. The reversal of 12132451 is 15423121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12132451 - 2³ = 12132443 is a prime.

It is not a weakly prime, because it can be changed into another prime (12132457) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066225 + 6066226.

It is an arithmetic number, because the mean of its divisors is an integer number (6066226).

Almost surely, 2^12132451 is an apocalyptic number.

12132451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132451 is an equidigital number, since it uses as much as digits as its factorization.

12132451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 19.

The square root of 12132451 is about 3483.1668062268. The cubic root of 12132451 is about 229.7820935534.

Adding to 12132451 its reverse (15423121), we get a palindrome (27555572).

The spelling of 12132451 in words is "twelve million, one hundred thirty-two thousand, four hundred fifty-one".