12984415 has 4 divisors (see below), whose sum is σ = 15581304. Its totient is φ = 10387528.

The previous prime is 12984403. The next prime is 12984427. The reversal of 12984415 is 51448921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51448921 = 241 ⋅213481.

It is an interprime number because it is at equal distance from previous prime (12984403) and next prime (12984427).

It is a cyclic number.

It is not a de Polignac number, because 12984415 - 2⁷ = 12984287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298437 + ... + 1298446.

It is an arithmetic number, because the mean of its divisors is an integer number (3895326).

Almost surely, 2^12984415 is an apocalyptic number.

12984415 is a deficient number, since it is larger than the sum of its proper divisors (2596889).

12984415 is an equidigital number, since it uses as much as digits as its factorization.

12984415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596888.

The product of its digits is 11520, while the sum is 34.

The square root of 12984415 is about 3603.3893766841. The cubic root of 12984415 is about 235.0394682464.

The spelling of 12984415 in words is "twelve million, nine hundred eighty-four thousand, four hundred fifteen".