12132075 has 12 divisors (see below), whose sum is σ = 20058488. Its totient is φ = 6470400.

The previous prime is 12132073. The next prime is 12132079. The reversal of 12132075 is 57023121.

It is not a de Polignac number, because 12132075 - 2¹ = 12132073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12132073) 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, 80806 + ... + 80955.

Almost surely, 2^12132075 is an apocalyptic number.

12132075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12132075 is a deficient number, since it is larger than the sum of its proper divisors (7926413).

12132075 is a wasteful number, since it uses less digits than its factorization.

12132075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161774 (or 161769 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12132075 is about 3483.1128319364. The cubic root of 12132075 is about 229.7797197830.

Adding to 12132075 its reverse (57023121), we get a palindrome (69155196).

The spelling of 12132075 in words is "twelve million, one hundred thirty-two thousand, seventy-five".