12132511 has 4 divisors (see below), whose sum is σ = 12196224. Its totient is φ = 12068800.

The previous prime is 12132499. The next prime is 12132529. The reversal of 12132511 is 11523121.

12132511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12132511 - 2⁵ = 12132479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31570 + ... + 31951.

It is an arithmetic number, because the mean of its divisors is an integer number (3049056).

Almost surely, 2^12132511 is an apocalyptic number.

12132511 is a deficient number, since it is larger than the sum of its proper divisors (63713).

12132511 is an equidigital number, since it uses as much as digits as its factorization.

12132511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63712.

The product of its digits is 60, while the sum is 16.

The square root of 12132511 is about 3483.1754190681. The cubic root of 12132511 is about 229.7824723420.

Adding to 12132511 its reverse (11523121), we get a palindrome (23655632).

The spelling of 12132511 in words is "twelve million, one hundred thirty-two thousand, five hundred eleven".