12214913 has 2 divisors, whose sum is σ = 12214914. Its totient is φ = 12214912.

The previous prime is 12214907. The next prime is 12214973. The reversal of 12214913 is 31941221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9314704 + 2900209 = 3052^2 + 1703^2 .

It is a cyclic number.

It is not a de Polignac number, because 12214913 - 2⁶ = 12214849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12214973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107456 + 6107457.

It is an arithmetic number, because the mean of its divisors is an integer number (6107457).

Almost surely, 2^12214913 is an apocalyptic number.

It is an amenable number.

12214913 is a deficient number, since it is larger than the sum of its proper divisors (1).

12214913 is an equidigital number, since it uses as much as digits as its factorization.

12214913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 12214913 is about 3494.9839770734. The cubic root of 12214913 is about 230.3015138266.

The spelling of 12214913 in words is "twelve million, two hundred fourteen thousand, nine hundred thirteen".