12452149 has 2 divisors, whose sum is σ = 12452150. Its totient is φ = 12452148.

The previous prime is 12452147. The next prime is 12452159. The reversal of 12452149 is 94125421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8910225 + 3541924 = 2985^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 12452149 - 2¹ = 12452147 is a prime.

Together with 12452147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12452147) 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, 6226074 + 6226075.

It is an arithmetic number, because the mean of its divisors is an integer number (6226075).

Almost surely, 2^12452149 is an apocalyptic number.

It is an amenable number.

12452149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12452149 is an equidigital number, since it uses as much as digits as its factorization.

12452149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 12452149 is about 3528.7602638887. The cubic root of 12452149 is about 231.7829234366.

The spelling of 12452149 in words is "twelve million, four hundred fifty-two thousand, one hundred forty-nine".