12984819 has 4 divisors (see below), whose sum is σ = 17313096. Its totient is φ = 8656544.

The previous prime is 12984791. The next prime is 12984869. The reversal of 12984819 is 91848921.

12984819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12984819 - 2⁸ = 12984563 is a prime.

It is a super-2 number, since 2×12984819² = 337211048925522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12984869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164134 + ... + 2164139.

It is an arithmetic number, because the mean of its divisors is an integer number (4328274).

Almost surely, 2^12984819 is an apocalyptic number.

12984819 is a deficient number, since it is larger than the sum of its proper divisors (4328277).

12984819 is an equidigital number, since it uses as much as digits as its factorization.

12984819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328276.

The product of its digits is 41472, while the sum is 42.

The square root of 12984819 is about 3603.4454345806. The cubic root of 12984819 is about 235.0419059114.

It can be divided in two parts, 129 and 84819, that added together give a palindrome (84948).

The spelling of 12984819 in words is "twelve million, nine hundred eighty-four thousand, eight hundred nineteen".