12789995 has 4 divisors (see below), whose sum is σ = 15348000. Its totient is φ = 10231992.

The previous prime is 12789979. The next prime is 12790007. The reversal of 12789995 is 59998721.

It is a happy number.

12789995 is digitally balanced in base 2 and base 3, because in such bases 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 12789995 - 2⁴ = 12789979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278995 + ... + 1279004.

It is an arithmetic number, because the mean of its divisors is an integer number (3837000).

Almost surely, 2^12789995 is an apocalyptic number.

12789995 is a deficient number, since it is larger than the sum of its proper divisors (2558005).

12789995 is an equidigital number, since it uses as much as digits as its factorization.

12789995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558004.

The product of its digits is 408240, while the sum is 50.

The square root of 12789995 is about 3576.3102494051. The cubic root of 12789995 is about 233.8604556757.

The spelling of 12789995 in words is "twelve million, seven hundred eighty-nine thousand, nine hundred ninety-five".