12197087 has 8 divisors (see below), whose sum is σ = 14316576. Its totient is φ = 10171872.

The previous prime is 12197083. The next prime is 12197089. The reversal of 12197087 is 78079121.

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 12197087 - 2² = 12197083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197083) 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, 23288 + ... + 23805.

It is an arithmetic number, because the mean of its divisors is an integer number (1789572).

Almost surely, 2^12197087 is an apocalyptic number.

12197087 is a deficient number, since it is larger than the sum of its proper divisors (2119489).

12197087 is an equidigital number, since it uses as much as digits as its factorization.

12197087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47137.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 12197087 is about 3492.4328196832. The cubic root of 12197087 is about 230.1894280651.

The spelling of 12197087 in words is "twelve million, one hundred ninety-seven thousand, eighty-seven".