12785937 has 4 divisors (see below), whose sum is σ = 17047920. Its totient is φ = 8523956.

The previous prime is 12785933. The next prime is 12785939. The reversal of 12785937 is 73958721.

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 12785937 - 2² = 12785933 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12785933) 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, 2130987 + ... + 2130992.

It is an arithmetic number, because the mean of its divisors is an integer number (4261980).

Almost surely, 2^12785937 is an apocalyptic number.

It is an amenable number.

12785937 is a deficient number, since it is larger than the sum of its proper divisors (4261983).

12785937 is an equidigital number, since it uses as much as digits as its factorization.

12785937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4261982.

The product of its digits is 105840, while the sum is 42.

The square root of 12785937 is about 3575.7428598824. The cubic root of 12785937 is about 233.8357200363.

The spelling of 12785937 in words is "twelve million, seven hundred eighty-five thousand, nine hundred thirty-seven".