10197897 has 4 divisors (see below), whose sum is σ = 13597200. Its totient is φ = 6798596.

The previous prime is 10197893. The next prime is 10197899. The reversal of 10197897 is 79879101.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 10197897 - 2² = 10197893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10197893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1699647 + ... + 1699652.

It is an arithmetic number, because the mean of its divisors is an integer number (3399300).

Almost surely, 2^10197897 is an apocalyptic number.

It is an amenable number.

10197897 is a deficient number, since it is larger than the sum of its proper divisors (3399303).

10197897 is an equidigital number, since it uses as much as digits as its factorization.

10197897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399302.

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 10197897 is about 3193.4146301412. The cubic root of 10197897 is about 216.8553829837.

The spelling of 10197897 in words is "ten million, one hundred ninety-seven thousand, eight hundred ninety-seven".