12190839 has 8 divisors (see below), whose sum is σ = 16317312. Its totient is φ = 8095800.

The previous prime is 12190777. The next prime is 12190847. The reversal of 12190839 is 93809121.

12190839 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12190839 - 2¹¹ = 12188791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12190859) 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, 6937 + ... + 8514.

It is an arithmetic number, because the mean of its divisors is an integer number (2039664).

Almost surely, 2^12190839 is an apocalyptic number.

12190839 is a deficient number, since it is larger than the sum of its proper divisors (4126473).

12190839 is a wasteful number, since it uses less digits than its factorization.

12190839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15717.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 12190839 is about 3491.5381997051. The cubic root of 12190839 is about 230.1501162416.

The spelling of 12190839 in words is "twelve million, one hundred ninety thousand, eight hundred thirty-nine".