12001097 has 2 divisors, whose sum is σ = 12001098. Its totient is φ = 12001096.

The previous prime is 12001091. The next prime is 12001109. The reversal of 12001097 is 79010021.

12001097 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8202496 + 3798601 = 2864^2 + 1949^2 .

It is an emirp because it is prime and its reverse (79010021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12001097 - 2⁴ = 12001081 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000548 + 6000549.

It is an arithmetic number, because the mean of its divisors is an integer number (6000549).

Almost surely, 2^12001097 is an apocalyptic number.

It is an amenable number.

12001097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001097 is an equidigital number, since it uses as much as digits as its factorization.

12001097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 12001097 is about 3464.2599498306. The cubic root of 12001097 is about 228.9498246954.

The spelling of 12001097 in words is "twelve million, one thousand, ninety-seven".