12232657 has 4 divisors (see below), whose sum is σ = 12303540. Its totient is φ = 12161776.

The previous prime is 12232621. The next prime is 12232663. The reversal of 12232657 is 75623221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11566801 + 665856 = 3401^2 + 816^2 .

It is a cyclic number.

It is not a de Polignac number, because 12232657 - 2¹⁹ = 11708369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12232687) 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, 35182 + ... + 35527.

It is an arithmetic number, because the mean of its divisors is an integer number (3075885).

Almost surely, 2^12232657 is an apocalyptic number.

It is an amenable number.

12232657 is a deficient number, since it is larger than the sum of its proper divisors (70883).

12232657 is an equidigital number, since it uses as much as digits as its factorization.

12232657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70882.

The product of its digits is 5040, while the sum is 28.

The square root of 12232657 is about 3497.5215510415. The cubic root of 12232657 is about 230.4129757453.

Adding to 12232657 its reverse (75623221), we get a palindrome (87855878).

The spelling of 12232657 in words is "twelve million, two hundred thirty-two thousand, six hundred fifty-seven".