12175797 has 4 divisors (see below), whose sum is σ = 16234400. Its totient is φ = 8117196.

The previous prime is 12175781. The next prime is 12175799. The reversal of 12175797 is 79757121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79757121 = 3 ⋅26585707.

It is not a de Polignac number, because 12175797 - 2⁴ = 12175781 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 (12175799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2029297 + ... + 2029302.

It is an arithmetic number, because the mean of its divisors is an integer number (4058600).

Almost surely, 2^12175797 is an apocalyptic number.

It is an amenable number.

12175797 is a deficient number, since it is larger than the sum of its proper divisors (4058603).

12175797 is an equidigital number, since it uses as much as digits as its factorization.

12175797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058602.

The product of its digits is 30870, while the sum is 39.

The square root of 12175797 is about 3489.3834698984. The cubic root of 12175797 is about 230.0554182780.

The spelling of 12175797 in words is "twelve million, one hundred seventy-five thousand, seven hundred ninety-seven".