12214567 has 2 divisors, whose sum is σ = 12214568. Its totient is φ = 12214566.

The previous prime is 12214561. The next prime is 12214577. The reversal of 12214567 is 76541221.

12214567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12214567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12214561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107283 + 6107284.

It is an arithmetic number, because the mean of its divisors is an integer number (6107284).

Almost surely, 2^12214567 is an apocalyptic number.

12214567 is a deficient number, since it is larger than the sum of its proper divisors (1).

12214567 is an equidigital number, since it uses as much as digits as its factorization.

12214567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 12214567 is about 3494.9344772113. The cubic root of 12214567 is about 230.2993392968.

Adding to 12214567 its reverse (76541221), we get a palindrome (88755788).

The spelling of 12214567 in words is "twelve million, two hundred fourteen thousand, five hundred sixty-seven".