1199912 has 24 divisors (see below), whose sum is σ = 2618010. Its totient is φ = 514080.

The previous prime is 1199909. The next prime is 1199923. The reversal of 1199912 is 2199911.

1199912 = 134² + 135² + ... + 181².

It can be written as a sum of positive squares in only one way, i.e., 729316 + 470596 = 854^2 + 686^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1139 + ... + 1922.

2^1199912 is an apocalyptic number.

It is an amenable number.

1199912 is an abundant number, since it is smaller than the sum of its proper divisors (1418098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1199912 is a wasteful number, since it uses less digits than its factorization.

1199912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081 (or 3070 counting only the distinct ones).

The product of its digits is 1458, while the sum is 32.

The square root of 1199912 is about 1095.4049479530. The cubic root of 1199912 is about 106.2632592449.

Subtracting 1199912 from its reverse (2199911), we obtain a palindrome (999999).

The spelling of 1199912 in words is "one million, one hundred ninety-nine thousand, nine hundred twelve".