12825787 has 4 divisors (see below), whose sum is σ = 13812400. Its totient is φ = 11839176.

The previous prime is 12825773. The next prime is 12825809. The reversal of 12825787 is 78752821.

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 12825787 - 2²³ = 4437179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12825707) 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, 493287 + ... + 493312.

It is an arithmetic number, because the mean of its divisors is an integer number (3453100).

Almost surely, 2^12825787 is an apocalyptic number.

12825787 is a deficient number, since it is larger than the sum of its proper divisors (986613).

12825787 is an equidigital number, since it uses as much as digits as its factorization.

12825787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986612.

The product of its digits is 62720, while the sum is 40.

The square root of 12825787 is about 3581.3107935503. The cubic root of 12825787 is about 234.0784004467.

The spelling of 12825787 in words is "twelve million, eight hundred twenty-five thousand, seven hundred eighty-seven".