12132475 has 12 divisors (see below), whose sum is σ = 15929784. Its totient is φ = 9134720.

The previous prime is 12132467. The next prime is 12132479. The reversal of 12132475 is 57423121.

It is a happy number.

12132475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12132475 - 2³ = 12132467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12132479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13849 + ... + 14698.

It is an arithmetic number, because the mean of its divisors is an integer number (1327482).

Almost surely, 2^12132475 is an apocalyptic number.

12132475 is a deficient number, since it is larger than the sum of its proper divisors (3797309).

12132475 is a wasteful number, since it uses less digits than its factorization.

12132475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28574 (or 28569 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 12132475 is about 3483.1702513658. The cubic root of 12132475 is about 229.7822450690.

Adding to 12132475 its reverse (57423121), we get a palindrome (69555596).

The spelling of 12132475 in words is "twelve million, one hundred thirty-two thousand, four hundred seventy-five".