12050091 has 18 divisors (see below), whose sum is σ = 18202548. Its totient is φ = 7681080.

The previous prime is 12050081. The next prime is 12050099. The reversal of 12050091 is 19005021.

12050091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12050091 - 2⁷ = 12049963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12050099) 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 17 ways as a sum of consecutive naturals, for example, 3496 + ... + 6026.

Almost surely, 2^12050091 is an apocalyptic number.

12050091 is a deficient number, since it is larger than the sum of its proper divisors (6152457).

12050091 is a wasteful number, since it uses less digits than its factorization.

12050091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 12050091 is about 3471.3240989571. The cubic root of 12050091 is about 229.2609611882.

The spelling of 12050091 in words is "twelve million, fifty thousand, ninety-one".