12232551 has 8 divisors (see below), whose sum is σ = 16342384. Its totient is φ = 8138880.

The previous prime is 12232547. The next prime is 12232579. The reversal of 12232551 is 15523221.

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

It is not a de Polignac number, because 12232551 - 2² = 12232547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2146 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (2042798).

Almost surely, 2^12232551 is an apocalyptic number.

12232551 is a deficient number, since it is larger than the sum of its proper divisors (4109833).

12232551 is an equidigital number, since it uses as much as digits as its factorization.

12232551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8081.

The product of its digits is 600, while the sum is 21.

The square root of 12232551 is about 3497.5063974209. The cubic root of 12232551 is about 230.4123102086.

Adding to 12232551 its reverse (15523221), we get a palindrome (27755772).

The spelling of 12232551 in words is "twelve million, two hundred thirty-two thousand, five hundred fifty-one".