12371213 has 2 divisors, whose sum is σ = 12371214. Its totient is φ = 12371212.

The previous prime is 12371153. The next prime is 12371221. The reversal of 12371213 is 31217321.

12371213 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11957764 + 413449 = 3458^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 12371213 - 2¹⁶ = 12305677 is a prime.

It is a super-2 number, since 2×12371213² = 306093822182738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12371113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6185606 + 6185607.

It is an arithmetic number, because the mean of its divisors is an integer number (6185607).

Almost surely, 2^12371213 is an apocalyptic number.

It is an amenable number.

12371213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12371213 is an equidigital number, since it uses as much as digits as its factorization.

12371213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 20.

The square root of 12371213 is about 3517.2735179397. The cubic root of 12371213 is about 231.2796535628.

Adding to 12371213 its reverse (31217321), we get a palindrome (43588534).

The spelling of 12371213 in words is "twelve million, three hundred seventy-one thousand, two hundred thirteen".