12135332 has 18 divisors (see below), whose sum is σ = 23343894. Its totient is φ = 5515840.

The previous prime is 12135313. The next prime is 12135337. The reversal of 12135332 is 23353121.

12135332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9897316 + 2238016 = 3146^2 + 1496^2 .

It is not an unprimeable number, because it can be changed into a prime (12135337) 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, 12053 + ... + 13020.

It is an arithmetic number, because the mean of its divisors is an integer number (1296883).

Almost surely, 2^12135332 is an apocalyptic number.

It is an amenable number.

12135332 is a deficient number, since it is larger than the sum of its proper divisors (11208562).

12135332 is a wasteful number, since it uses less digits than its factorization.

12135332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25099 (or 25086 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 12135332 is about 3483.5803421193. The cubic root of 12135332 is about 229.8002803105.

Adding to 12135332 its reverse (23353121), we get a palindrome (35488453).

It can be divided in two parts, 121 and 35332, that added together give a palindrome (35453).

The spelling of 12135332 in words is "twelve million, one hundred thirty-five thousand, three hundred thirty-two".