12214879 has 2 divisors, whose sum is σ = 12214880. Its totient is φ = 12214878.

The previous prime is 12214849. The next prime is 12214889. The reversal of 12214879 is 97841221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12214879 - 2¹¹ = 12212831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12214849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107439 + 6107440.

It is an arithmetic number, because the mean of its divisors is an integer number (6107440).

Almost surely, 2^12214879 is an apocalyptic number.

12214879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12214879 is an equidigital number, since it uses as much as digits as its factorization.

12214879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 12214879 is about 3494.9791129562. The cubic root of 12214879 is about 230.3013001463.

The spelling of 12214879 in words is "twelve million, two hundred fourteen thousand, eight hundred seventy-nine".