12132765 has 12 divisors (see below), whose sum is σ = 21030204. Its totient is φ = 6470784.

The previous prime is 12132763. The next prime is 12132793. The reversal of 12132765 is 56723121.

It is a happy number.

12132765 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 2 ways, for example, as 9400356 + 2732409 = 3066^2 + 1653^2 .

It is not a de Polignac number, because 12132765 - 2¹ = 12132763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132763) 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, 134764 + ... + 134853.

It is an arithmetic number, because the mean of its divisors is an integer number (1752517).

Almost surely, 2^12132765 is an apocalyptic number.

12132765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12132765 is a deficient number, since it is larger than the sum of its proper divisors (8897439).

12132765 is a wasteful number, since it uses less digits than its factorization.

12132765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269628 (or 269625 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 12132765 is about 3483.2118798603. The cubic root of 12132765 is about 229.7840758667.

Adding to 12132765 its reverse (56723121), we get a palindrome (68855886).

The spelling of 12132765 in words is "twelve million, one hundred thirty-two thousand, seven hundred sixty-five".