12994865 has 8 divisors (see below), whose sum is σ = 16793448. Its totient is φ = 9596160.

The previous prime is 12994853. The next prime is 12994867. The reversal of 12994865 is 56849921.

It can be written as a sum of positive squares in 4 ways, for example, as 519841 + 12475024 = 721^2 + 3532^2 .

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

It is not a de Polignac number, because 12994865 - 2¹⁸ = 12732721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12994867) 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, 99896 + ... + 100025.

It is an arithmetic number, because the mean of its divisors is an integer number (2099181).

Almost surely, 2^12994865 is an apocalyptic number.

It is an amenable number.

12994865 is a deficient number, since it is larger than the sum of its proper divisors (3798583).

12994865 is a wasteful number, since it uses less digits than its factorization.

12994865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199939.

The product of its digits is 155520, while the sum is 44.

The square root of 12994865 is about 3604.8391087537. The cubic root of 12994865 is about 235.1025054548.

The spelling of 12994865 in words is "twelve million, nine hundred ninety-four thousand, eight hundred sixty-five".