12017099 has 4 divisors (see below), whose sum is σ = 12086736. Its totient is φ = 11947464.

The previous prime is 12017077. The next prime is 12017111. The reversal of 12017099 is 99071021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12017099 - 2²⁰ = 10968523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12017069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34559 + ... + 34904.

It is an arithmetic number, because the mean of its divisors is an integer number (3021684).

Almost surely, 2^12017099 is an apocalyptic number.

12017099 is a deficient number, since it is larger than the sum of its proper divisors (69637).

12017099 is an equidigital number, since it uses as much as digits as its factorization.

12017099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69636.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 12017099 is about 3466.5687646432. The cubic root of 12017099 is about 229.0515383958.

The spelling of 12017099 in words is "twelve million, seventeen thousand, ninety-nine".