12196815 has 8 divisors (see below), whose sum is σ = 19514928. Its totient is φ = 6504960.

The previous prime is 12196813. The next prime is 12196817. The reversal of 12196815 is 51869121.

It is an interprime number because it is at equal distance from previous prime (12196813) and next prime (12196817).

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

It is not a de Polignac number, because 12196815 - 2¹ = 12196813 is a prime.

It is a super-2 number, since 2×12196815² = 297524592288450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12196813) 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, 406546 + ... + 406575.

It is an arithmetic number, because the mean of its divisors is an integer number (2439366).

Almost surely, 2^12196815 is an apocalyptic number.

12196815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12196815 is a deficient number, since it is larger than the sum of its proper divisors (7318113).

12196815 is an equidigital number, since it uses as much as digits as its factorization.

12196815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813129.

The product of its digits is 4320, while the sum is 33.

The square root of 12196815 is about 3492.3938781300. The cubic root of 12196815 is about 230.1877169465.

The spelling of 12196815 in words is "twelve million, one hundred ninety-six thousand, eight hundred fifteen".