12197929 has 8 divisors (see below), whose sum is σ = 12412512. Its totient is φ = 11985120.

The previous prime is 12197921. The next prime is 12197947. The reversal of 12197929 is 92979121.

It is a happy number.

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 12197929 - 2³ = 12197921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12197891 and 12197900.

It is not an unprimeable number, because it can be changed into a prime (12197921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23062 + ... + 23584.

It is an arithmetic number, because the mean of its divisors is an integer number (1551564).

Almost surely, 2^12197929 is an apocalyptic number.

It is an amenable number.

12197929 is a deficient number, since it is larger than the sum of its proper divisors (214583).

12197929 is an equidigital number, since it uses as much as digits as its factorization.

12197929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

The product of its digits is 20412, while the sum is 40.

The square root of 12197929 is about 3492.5533639445. The cubic root of 12197929 is about 230.1947248227.

The spelling of 12197929 in words is "twelve million, one hundred ninety-seven thousand, nine hundred twenty-nine".