12232651 has 4 divisors (see below), whose sum is σ = 12240000. Its totient is φ = 12225304.

The previous prime is 12232621. The next prime is 12232663. The reversal of 12232651 is 15623221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15623221 = 17 ⋅919013.

It is a cyclic number.

It is not a de Polignac number, because 12232651 - 2¹⁵ = 12199883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12232621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150 + ... + 4948.

It is an arithmetic number, because the mean of its divisors is an integer number (3060000).

Almost surely, 2^12232651 is an apocalyptic number.

12232651 is a deficient number, since it is larger than the sum of its proper divisors (7349).

12232651 is an equidigital number, since it uses as much as digits as its factorization.

12232651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348.

The product of its digits is 720, while the sum is 22.

The square root of 12232651 is about 3497.5206932912. The cubic root of 12232651 is about 230.4129380735.

Adding to 12232651 its reverse (15623221), we get a palindrome (27855872).

The spelling of 12232651 in words is "twelve million, two hundred thirty-two thousand, six hundred fifty-one".