12332491 has 2 divisors, whose sum is σ = 12332492. Its totient is φ = 12332490.

The previous prime is 12332477. The next prime is 12332521. The reversal of 12332491 is 19423321.

It is a weak prime.

It is an emirp because it is prime and its reverse (19423321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12332491 - 2⁵ = 12332459 is a prime.

It is a super-3 number, since 3×12332491³ (a number of 22 digits) contains 333 as substring.

It is equal to p₈₀₈₄₄₁ and since 12332491 and 808441 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12333491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6166245 + 6166246.

It is an arithmetic number, because the mean of its divisors is an integer number (6166246).

Almost surely, 2^12332491 is an apocalyptic number.

12332491 is a deficient number, since it is larger than the sum of its proper divisors (1).

12332491 is an equidigital number, since it uses as much as digits as its factorization.

12332491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 12332491 is about 3511.7646561238. The cubic root of 12332491 is about 231.0380989489.

The spelling of 12332491 in words is "twelve million, three hundred thirty-two thousand, four hundred ninety-one".