12280379 has 2 divisors, whose sum is σ = 12280380. Its totient is φ = 12280378.

The previous prime is 12280357. The next prime is 12280399. The reversal of 12280379 is 97308221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12280379 - 2¹² = 12276283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12280399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6140189 + 6140190.

It is an arithmetic number, because the mean of its divisors is an integer number (6140190).

Almost surely, 2^12280379 is an apocalyptic number.

12280379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12280379 is an equidigital number, since it uses as much as digits as its factorization.

12280379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 12280379 is about 3504.3371698511. The cubic root of 12280379 is about 230.7122157238.

The spelling of 12280379 in words is "twelve million, two hundred eighty thousand, three hundred seventy-nine".