12006091 has 8 divisors (see below), whose sum is σ = 12257360. Its totient is φ = 11757312.

The previous prime is 12006079. The next prime is 12006109. The reversal of 12006091 is 19060021.

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

It is a cyclic number.

It is not a de Polignac number, because 12006091 - 2⁷ = 12005963 is a prime.

It is a super-2 number, since 2×12006091² = 288292442200562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12006031) 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, 11395 + ... + 12403.

It is an arithmetic number, because the mean of its divisors is an integer number (1532170).

Almost surely, 2^12006091 is an apocalyptic number.

12006091 is a deficient number, since it is larger than the sum of its proper divisors (251269).

12006091 is a wasteful number, since it uses less digits than its factorization.

12006091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12006091 is about 3464.9806637267. The cubic root of 12006091 is about 228.9815778167.

The spelling of 12006091 in words is "twelve million, six thousand, ninety-one".