12445197 has 8 divisors (see below), whose sum is σ = 16765056. Its totient is φ = 8211072.

The previous prime is 12445187. The next prime is 12445249. The reversal of 12445197 is 79154421.

It is a happy number.

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

It is not a de Polignac number, because 12445197 - 2⁸ = 12444941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445117) 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, 21093 + ... + 21674.

It is an arithmetic number, because the mean of its divisors is an integer number (2095632).

Almost surely, 2^12445197 is an apocalyptic number.

It is an amenable number.

12445197 is a deficient number, since it is larger than the sum of its proper divisors (4319859).

12445197 is an equidigital number, since it uses as much as digits as its factorization.

12445197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42867.

The product of its digits is 10080, while the sum is 33.

The square root of 12445197 is about 3527.7750778642. The cubic root of 12445197 is about 231.7397808206.

It can be divided in two parts, 1244 and 5197, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 12445197 in words is "twelve million, four hundred forty-five thousand, one hundred ninety-seven".