12332381 has 2 divisors, whose sum is σ = 12332382. Its totient is φ = 12332380.

The previous prime is 12332363. The next prime is 12332399. The reversal of 12332381 is 18323321.

It is a balanced prime because it is at equal distance from previous prime (12332363) and next prime (12332399).

It can be written as a sum of positive squares in only one way, i.e., 12013156 + 319225 = 3466^2 + 565^2 .

It is an emirp because it is prime and its reverse (18323321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12332381 is a prime.

It is a super-2 number, since 2×12332381² = 304175242258322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12332681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6166190 + 6166191.

It is an arithmetic number, because the mean of its divisors is an integer number (6166191).

Almost surely, 2^12332381 is an apocalyptic number.

It is an amenable number.

12332381 is a deficient number, since it is larger than the sum of its proper divisors (1).

12332381 is an equidigital number, since it uses as much as digits as its factorization.

12332381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 12332381 is about 3511.7489944471. The cubic root of 12332381 is about 231.0374120299.

The spelling of 12332381 in words is "twelve million, three hundred thirty-two thousand, three hundred eighty-one".