12231413 has 2 divisors, whose sum is σ = 12231414. Its totient is φ = 12231412.

The previous prime is 12231397. The next prime is 12231419. The reversal of 12231413 is 31413221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6360484 + 5870929 = 2522^2 + 2423^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231413 - 2⁴ = 12231397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12231391 and 12231400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115706 + 6115707.

It is an arithmetic number, because the mean of its divisors is an integer number (6115707).

Almost surely, 2^12231413 is an apocalyptic number.

It is an amenable number.

12231413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231413 is an equidigital number, since it uses as much as digits as its factorization.

12231413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 17.

The square root of 12231413 is about 3497.3437063005. The cubic root of 12231413 is about 230.4051648650.

Adding to 12231413 its reverse (31413221), we get a palindrome (43644634).

The spelling of 12231413 in words is "twelve million, two hundred thirty-one thousand, four hundred thirteen".