12233642 has 16 divisors (see below), whose sum is σ = 19523592. Its totient is φ = 5729280.

The previous prime is 12233593. The next prime is 12233647. The reversal of 12233642 is 24633221.

It can be written as a sum of positive squares in 4 ways, for example, as 12117361 + 116281 = 3481^2 + 341^2 .

It is not an unprimeable number, because it can be changed into a prime (12233647) 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, 7448 + ... + 8940.

Almost surely, 2^12233642 is an apocalyptic number.

12233642 is a deficient number, since it is larger than the sum of its proper divisors (7289950).

12233642 is a wasteful number, since it uses less digits than its factorization.

12233642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753.

The product of its digits is 1728, while the sum is 23.

The square root of 12233642 is about 3497.6623622071. The cubic root of 12233642 is about 230.4191600297.

Adding to 12233642 its reverse (24633221), we get a palindrome (36866863).

The spelling of 12233642 in words is "twelve million, two hundred thirty-three thousand, six hundred forty-two".