12197901 has 8 divisors (see below), whose sum is σ = 16703584. Its totient is φ = 7912080.

The previous prime is 12197879. The next prime is 12197903. The reversal of 12197901 is 10979121.

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

It is not a de Polignac number, because 12197901 - 2¹⁵ = 12165133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197903) 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, 54835 + ... + 55056.

It is an arithmetic number, because the mean of its divisors is an integer number (2087948).

Almost surely, 2^12197901 is an apocalyptic number.

It is an amenable number.

12197901 is a deficient number, since it is larger than the sum of its proper divisors (4505683).

12197901 is a wasteful number, since it uses less digits than its factorization.

12197901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109931.

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

The square root of 12197901 is about 3492.5493554136. The cubic root of 12197901 is about 230.1945486874.

The spelling of 12197901 in words is "twelve million, one hundred ninety-seven thousand, nine hundred one".