1199966 has 4 divisors (see below), whose sum is σ = 1799952. Its totient is φ = 599982.

The previous prime is 1199953. The next prime is 1199969. The reversal of 1199966 is 6699911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6699911 = 79 ⋅84809.

It is a Curzon number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299990 + ... + 299993.

It is an arithmetic number, because the mean of its divisors is an integer number (449988).

2^1199966 is an apocalyptic number.

1199966 is a deficient number, since it is larger than the sum of its proper divisors (599986).

1199966 is an equidigital number, since it uses as much as digits as its factorization.

1199966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599985.

The product of its digits is 26244, while the sum is 41.

The square root of 1199966 is about 1095.4295960946. The cubic root of 1199966 is about 106.2648532868.

Subtracting 1199966 from its reverse (6699911), we obtain a palindrome (5499945).

The spelling of 1199966 in words is "one million, one hundred ninety-nine thousand, nine hundred sixty-six".