12019197 has 8 divisors (see below), whose sum is σ = 16265056. Its totient is φ = 7893072.

The previous prime is 12019177. The next prime is 12019199. The reversal of 12019197 is 79191021.

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

It is not a de Polignac number, because 12019197 - 2⁷ = 12019069 is a prime.

It is a super-2 number, since 2×12019197² = 288922193049618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12019199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29698 + ... + 30099.

It is an arithmetic number, because the mean of its divisors is an integer number (2033132).

Almost surely, 2^12019197 is an apocalyptic number.

It is an amenable number.

12019197 is a deficient number, since it is larger than the sum of its proper divisors (4245859).

12019197 is an equidigital number, since it uses as much as digits as its factorization.

12019197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59867.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 12019197 is about 3466.8713561365. The cubic root of 12019197 is about 229.0648672413.

The spelling of 12019197 in words is "twelve million, nineteen thousand, one hundred ninety-seven".