12132302 has 48 divisors (see below), whose sum is σ = 23269680. Its totient is φ = 4701312.

The previous prime is 12132301. The next prime is 12132311. The reversal of 12132302 is 20323121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113333 + ... + 113439.

It is an arithmetic number, because the mean of its divisors is an integer number (484785).

Almost surely, 2^12132302 is an apocalyptic number.

12132302 is a deficient number, since it is larger than the sum of its proper divisors (11137378).

12132302 is a wasteful number, since it uses less digits than its factorization.

12132302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12132302 is about 3483.1454175788. The cubic root of 12132302 is about 229.7811528896.

Adding to 12132302 its reverse (20323121), we get a palindrome (32455423).

It can be divided in two parts, 121 and 32302, that added together give a palindrome (32423).

The spelling of 12132302 in words is "twelve million, one hundred thirty-two thousand, three hundred two".