1199813914 has 16 divisors (see below), whose sum is σ = 1985434920. Its totient is φ = 540253440.

The previous prime is 1199813893. The next prime is 1199813917. The reversal of 1199813914 is 4193189911.

It can be written as a sum of positive squares in 4 ways, for example, as 779358889 + 420455025 = 27917^2 + 20505^2 .

It is not an unprimeable number, because it can be changed into a prime (1199813917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561699 + ... + 563830.

Almost surely, 2^1199813914 is an apocalyptic number.

1199813914 is a deficient number, since it is larger than the sum of its proper divisors (785621006).

1199813914 is a wasteful number, since it uses less digits than its factorization.

1199813914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125585.

The product of its digits is 69984, while the sum is 46.

The square root of 1199813914 is about 34638.3301271871. The cubic root of 1199813914 is about 1062.6036369312.

The spelling of 1199813914 in words is "one billion, one hundred ninety-nine million, eight hundred thirteen thousand, nine hundred fourteen".