12197326 has 4 divisors (see below), whose sum is σ = 18295992. Its totient is φ = 6098662.

The previous prime is 12197323. The next prime is 12197329. The reversal of 12197326 is 62379121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12197323) and next prime (12197329).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3049330 + ... + 3049333.

It is an arithmetic number, because the mean of its divisors is an integer number (4573998).

Almost surely, 2^12197326 is an apocalyptic number.

12197326 is a deficient number, since it is larger than the sum of its proper divisors (6098666).

12197326 is an equidigital number, since it uses as much as digits as its factorization.

12197326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098665.

The product of its digits is 4536, while the sum is 31.

The square root of 12197326 is about 3492.4670363512. The cubic root of 12197326 is about 230.1909315639.

The spelling of 12197326 in words is "twelve million, one hundred ninety-seven thousand, three hundred twenty-six".