12091093 has 8 divisors (see below), whose sum is σ = 14100800. Its totient is φ = 10363500.

The previous prime is 12091081. The next prime is 12091103. The reversal of 12091093 is 39019021.

It is not a de Polignac number, because 12091093 - 2⁵ = 12091061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12091003) 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, 17283 + ... + 17968.

It is an arithmetic number, because the mean of its divisors is an integer number (1762600).

Almost surely, 2^12091093 is an apocalyptic number.

It is an amenable number.

12091093 is a deficient number, since it is larger than the sum of its proper divisors (2009707).

12091093 is an frugal number, since it uses more digits than its factorization.

12091093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35272 (or 35258 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 12091093 is about 3477.2248992552. The cubic root of 12091093 is about 229.5206968834.

The spelling of 12091093 in words is "twelve million, ninety-one thousand, ninety-three".