12408819 has 8 divisors (see below), whose sum is σ = 16607232. Its totient is φ = 8241480.

The previous prime is 12408797. The next prime is 12408853. The reversal of 12408819 is 91880421.

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

It is not a de Polignac number, because 12408819 - 2⁵ = 12408787 is a prime.

It is a super-2 number, since 2×12408819² = 307957577949522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12408819.

It is not an unprimeable number, because it can be changed into a prime (12408889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6819 + ... + 8444.

It is an arithmetic number, because the mean of its divisors is an integer number (2075904).

Almost surely, 2^12408819 is an apocalyptic number.

12408819 is a deficient number, since it is larger than the sum of its proper divisors (4198413).

12408819 is a wasteful number, since it uses less digits than its factorization.

12408819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15537.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 12408819 is about 3522.6153636183. The cubic root of 12408819 is about 231.5137643871.

The spelling of 12408819 in words is "twelve million, four hundred eight thousand, eight hundred nineteen".