12451841 has 2 divisors, whose sum is σ = 12451842. Its totient is φ = 12451840.

The previous prime is 12451807. The next prime is 12451843. The reversal of 12451841 is 14815421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8761600 + 3690241 = 2960^2 + 1921^2 .

It is a cyclic number.

It is not a de Polignac number, because 12451841 - 2²² = 8257537 is a prime.

Together with 12451843, it forms a pair of twin primes.

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 12451841.

It is not a weakly prime, because it can be changed into another prime (12451843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225920 + 6225921.

It is an arithmetic number, because the mean of its divisors is an integer number (6225921).

It is a Proth number, since it is equal to 95 ⋅ 2¹⁷ + 1 and 95 < 2¹⁷.

Almost surely, 2^12451841 is an apocalyptic number.

It is an amenable number.

12451841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12451841 is an equidigital number, since it uses as much as digits as its factorization.

12451841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280, while the sum is 26.

The square root of 12451841 is about 3528.7166222297. The cubic root of 12451841 is about 231.7810123949.

The spelling of 12451841 in words is "twelve million, four hundred fifty-one thousand, eight hundred forty-one".