14911213 has 2 divisors, whose sum is σ = 14911214. Its totient is φ = 14911212.

The previous prime is 14911201. The next prime is 14911231. The reversal of 14911213 is 31211941.

Together with next prime (14911231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14235529 + 675684 = 3773^2 + 822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14911213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14911243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7455606 + 7455607.

It is an arithmetic number, because the mean of its divisors is an integer number (7455607).

Almost surely, 2^14911213 is an apocalyptic number.

It is an amenable number.

14911213 is a deficient number, since it is larger than the sum of its proper divisors (1).

14911213 is an equidigital number, since it uses as much as digits as its factorization.

14911213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 22.

The square root of 14911213 is about 3861.5039816113. The cubic root of 14911213 is about 246.1336495874.

It can be divided in two parts, 1491 and 1213, that added together give a square (2704 = 52²).

The spelling of 14911213 in words is "fourteen million, nine hundred eleven thousand, two hundred thirteen".