12196919 has 8 divisors (see below), whose sum is σ = 14389248. Its totient is φ = 10117080.

The previous prime is 12196901. The next prime is 12196949. The reversal of 12196919 is 91969121.

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 12196919 - 2⁸ = 12196663 is a prime.

It is a super-2 number, since 2×12196919² = 297529666185122, 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 (12196949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27887 + ... + 28320.

It is an arithmetic number, because the mean of its divisors is an integer number (1798656).

Almost surely, 2^12196919 is an apocalyptic number.

12196919 is a deficient number, since it is larger than the sum of its proper divisors (2192329).

12196919 is an equidigital number, since it uses as much as digits as its factorization.

12196919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56245.

The product of its digits is 8748, while the sum is 38.

The square root of 12196919 is about 3492.4087675987. The cubic root of 12196919 is about 230.1883712007.

The spelling of 12196919 in words is "twelve million, one hundred ninety-six thousand, nine hundred nineteen".