1198697 has 4 divisors (see below), whose sum is σ = 1216656. Its totient is φ = 1180740.

The previous prime is 1198679. The next prime is 1198699. The reversal of 1198697 is 7968911.

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 1198697 - 2¹² = 1194601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198699) 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, 8879 + ... + 9012.

It is an arithmetic number, because the mean of its divisors is an integer number (304164).

2^1198697 is an apocalyptic number.

It is an amenable number.

1198697 is a deficient number, since it is larger than the sum of its proper divisors (17959).

1198697 is an equidigital number, since it uses as much as digits as its factorization.

1198697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17958.

The product of its digits is 27216, while the sum is 41.

The square root of 1198697 is about 1094.8502180664. The cubic root of 1198697 is about 106.2273806521.

The spelling of 1198697 in words is "one million, one hundred ninety-eight thousand, six hundred ninety-seven".