12865695 has 8 divisors (see below), whose sum is σ = 20585136. Its totient is φ = 6861696.

The previous prime is 12865687. The next prime is 12865709. The reversal of 12865695 is 59656821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12865695 - 2³ = 12865687 is a prime.

It is a super-2 number, since 2×12865695² = 331052215666050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428842 + ... + 428871.

It is an arithmetic number, because the mean of its divisors is an integer number (2573142).

Almost surely, 2^12865695 is an apocalyptic number.

12865695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12865695 is a deficient number, since it is larger than the sum of its proper divisors (7719441).

12865695 is an equidigital number, since it uses as much as digits as its factorization.

12865695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857721.

The product of its digits is 129600, while the sum is 42.

The square root of 12865695 is about 3586.8781691047. The cubic root of 12865695 is about 234.3209308163.

The spelling of 12865695 in words is "twelve million, eight hundred sixty-five thousand, six hundred ninety-five".