12049899 has 8 divisors (see below), whose sum is σ = 16148880. Its totient is φ = 7992096.

The previous prime is 12049897. The next prime is 12049903. The reversal of 12049899 is 99894021.

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

It is not a de Polignac number, because 12049899 - 2¹ = 12049897 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12049899.

It is not an unprimeable number, because it can be changed into a prime (12049897) 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, 9604 + ... + 10785.

It is an arithmetic number, because the mean of its divisors is an integer number (2018610).

Almost surely, 2^12049899 is an apocalyptic number.

12049899 is a deficient number, since it is larger than the sum of its proper divisors (4098981).

12049899 is a wasteful number, since it uses less digits than its factorization.

12049899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20589.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 12049899 is about 3471.2964436936. The cubic root of 12049899 is about 229.2597435394.

The spelling of 12049899 in words is "twelve million, forty-nine thousand, eight hundred ninety-nine".