12822451 has 2 divisors, whose sum is σ = 12822452. Its totient is φ = 12822450.

The previous prime is 12822413. The next prime is 12822479. The reversal of 12822451 is 15422821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12822451 - 2⁷ = 12822323 is a prime.

It is not a weakly prime, because it can be changed into another prime (12822151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6411225 + 6411226.

It is an arithmetic number, because the mean of its divisors is an integer number (6411226).

Almost surely, 2^12822451 is an apocalyptic number.

12822451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12822451 is an equidigital number, since it uses as much as digits as its factorization.

12822451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 25.

The square root of 12822451 is about 3580.8450120048. The cubic root of 12822451 is about 234.0581040117.

The spelling of 12822451 in words is "twelve million, eight hundred twenty-two thousand, four hundred fifty-one".