12611232 has 36 divisors (see below), whose sum is σ = 35864010. Its totient is φ = 4203648.

The previous prime is 12611197. The next prime is 12611237. The reversal of 12611232 is 23211621.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 3825936 = 2964^2 + 1956^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (12611237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21607 + ... + 22182.

Almost surely, 2^12611232 is an apocalyptic number.

12611232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12611232 is an abundant number, since it is smaller than the sum of its proper divisors (23252778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12611232 is a wasteful number, since it uses less digits than its factorization.

12611232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43805 (or 43794 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 12611232 is about 3551.2296461930. The cubic root of 12611232 is about 232.7658007650.

12611232 divided by its product of digits (144) gives a palindrome (87578).

Adding to 12611232 its reverse (23211621), we get a palindrome (35822853).

The spelling of 12611232 in words is "twelve million, six hundred eleven thousand, two hundred thirty-two".