12141897 has 4 divisors (see below), whose sum is σ = 16189200. Its totient is φ = 8094596.

The previous prime is 12141889. The next prime is 12141901. The reversal of 12141897 is 79814121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12141897 - 2³ = 12141889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12141827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023647 + ... + 2023652.

It is an arithmetic number, because the mean of its divisors is an integer number (4047300).

Almost surely, 2^12141897 is an apocalyptic number.

It is an amenable number.

12141897 is a deficient number, since it is larger than the sum of its proper divisors (4047303).

12141897 is an equidigital number, since it uses as much as digits as its factorization.

12141897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047302.

The product of its digits is 4032, while the sum is 33.

The square root of 12141897 is about 3484.5224923940. The cubic root of 12141897 is about 229.8417121360.

The spelling of 12141897 in words is "twelve million, one hundred forty-one thousand, eight hundred ninety-seven".