12172327 has 2 divisors, whose sum is σ = 12172328. Its totient is φ = 12172326.

The previous prime is 12172309. The next prime is 12172333. The reversal of 12172327 is 72327121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12172327 - 2¹⁵ = 12139559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12172387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6086163 + 6086164.

It is an arithmetic number, because the mean of its divisors is an integer number (6086164).

Almost surely, 2^12172327 is an apocalyptic number.

12172327 is a deficient number, since it is larger than the sum of its proper divisors (1).

12172327 is an equidigital number, since it uses as much as digits as its factorization.

12172327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 25.

The square root of 12172327 is about 3488.8862119593. The cubic root of 12172327 is about 230.0335615801.

Adding to 12172327 its reverse (72327121), we get a palindrome (84499448).

The spelling of 12172327 in words is "twelve million, one hundred seventy-two thousand, three hundred twenty-seven".