12452331 has 8 divisors (see below), whose sum is σ = 16628224. Its totient is φ = 8289000.

The previous prime is 12452329. The next prime is 12452351. The reversal of 12452331 is 13325421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12452331 - 2¹ = 12452329 is a prime.

It is a super-2 number, since 2×12452331² = 310121094667122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12452298 and 12452307.

It is not an unprimeable number, because it can be changed into a prime (12452311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (2078528).

Almost surely, 2^12452331 is an apocalyptic number.

12452331 is a deficient number, since it is larger than the sum of its proper divisors (4175893).

12452331 is an equidigital number, since it uses as much as digits as its factorization.

12452331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281.

The product of its digits is 720, while the sum is 21.

The square root of 12452331 is about 3528.7860518881. The cubic root of 12452331 is about 231.7840526737.

Adding to 12452331 its reverse (13325421), we get a palindrome (25777752).

The spelling of 12452331 in words is "twelve million, four hundred fifty-two thousand, three hundred thirty-one".