12936985 has 8 divisors (see below), whose sum is σ = 15854976. Its totient is φ = 10129200.

The previous prime is 12936977. The next prime is 12936997. The reversal of 12936985 is 58963921.

It is a happy number.

12936985 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 sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12936985 - 2³ = 12936977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27291 + ... + 27760.

It is an arithmetic number, because the mean of its divisors is an integer number (1981872).

Almost surely, 2^12936985 is an apocalyptic number.

It is an amenable number.

12936985 is a deficient number, since it is larger than the sum of its proper divisors (2917991).

12936985 is an equidigital number, since it uses as much as digits as its factorization.

12936985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55103.

The product of its digits is 116640, while the sum is 43.

The square root of 12936985 is about 3596.8020518233. The cubic root of 12936985 is about 234.7529318243.

The spelling of 12936985 in words is "twelve million, nine hundred thirty-six thousand, nine hundred eighty-five".