12986115 has 8 divisors (see below), whose sum is σ = 20777808. Its totient is φ = 6925920.

The previous prime is 12986111. The next prime is 12986153. The reversal of 12986115 is 51168921.

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

It is not a de Polignac number, because 12986115 - 2² = 12986111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12986111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432856 + ... + 432885.

It is an arithmetic number, because the mean of its divisors is an integer number (2597226).

Almost surely, 2^12986115 is an apocalyptic number.

12986115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12986115 is a deficient number, since it is larger than the sum of its proper divisors (7791693).

12986115 is an equidigital number, since it uses as much as digits as its factorization.

12986115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865749.

The product of its digits is 4320, while the sum is 33.

The square root of 12986115 is about 3603.6252579867. The cubic root of 12986115 is about 235.0497254063.

The spelling of 12986115 in words is "twelve million, nine hundred eighty-six thousand, one hundred fifteen".