12765237 has 4 divisors (see below), whose sum is σ = 17020320. Its totient is φ = 8510156.

The previous prime is 12765187. The next prime is 12765241. The reversal of 12765237 is 73256721.

12765237 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12765237 - 2¹¹ = 12763189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12765198 and 12765207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745237) 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, 2127537 + ... + 2127542.

It is an arithmetic number, because the mean of its divisors is an integer number (4255080).

Almost surely, 2^12765237 is an apocalyptic number.

It is an amenable number.

12765237 is a deficient number, since it is larger than the sum of its proper divisors (4255083).

12765237 is an equidigital number, since it uses as much as digits as its factorization.

12765237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255082.

The product of its digits is 17640, while the sum is 33.

The square root of 12765237 is about 3572.8471839697. The cubic root of 12765237 is about 233.7094611655.

The spelling of 12765237 in words is "twelve million, seven hundred sixty-five thousand, two hundred thirty-seven".