12552331 has 24 divisors (see below), whose sum is σ = 15087600. Its totient is φ = 10342080.

The previous prime is 12552317. The next prime is 12552349. The reversal of 12552331 is 13325521.

It is not a de Polignac number, because 12552331 - 2⁷ = 12552203 is a prime.

It is a super-2 number, since 2×12552331² = 315122027067122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12552311) 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 23 ways as a sum of consecutive naturals, for example, 115105 + ... + 115213.

It is an arithmetic number, because the mean of its divisors is an integer number (628650).

Almost surely, 2^12552331 is an apocalyptic number.

12552331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12552331 is a deficient number, since it is larger than the sum of its proper divisors (2535269).

12552331 is a wasteful number, since it uses less digits than its factorization.

12552331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 168 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 12552331 is about 3542.9268973548. The cubic root of 12552331 is about 232.4028560907.

Adding to 12552331 its reverse (13325521), we get a palindrome (25877852).

The spelling of 12552331 in words is "twelve million, five hundred fifty-two thousand, three hundred thirty-one".