12984885 has 24 divisors (see below), whose sum is σ = 23693280. Its totient is φ = 6560352.

The previous prime is 12984871. The next prime is 12984893. The reversal of 12984885 is 58848921.

It is a happy number.

It is not a de Polignac number, because 12984885 - 2⁴ = 12984869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12984885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6739 + ... + 8448.

It is an arithmetic number, because the mean of its divisors is an integer number (987220).

Almost surely, 2^12984885 is an apocalyptic number.

12984885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12984885 is a deficient number, since it is larger than the sum of its proper divisors (10708395).

12984885 is a wasteful number, since it uses less digits than its factorization.

12984885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15217 (or 15214 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 12984885 is about 3603.4545924710. The cubic root of 12984885 is about 235.0423041390.

The spelling of 12984885 in words is "twelve million, nine hundred eighty-four thousand, eight hundred eighty-five".