11706399 has 6 divisors (see below), whose sum is σ = 16909256. Its totient is φ = 7804260.

The previous prime is 11706397. The next prime is 11706407. The reversal of 11706399 is 99360711.

11706399 is a `hidden beast` number, since 1 + 17 + 0 + 639 + 9 = 666.

It is not a de Polignac number, because 11706399 - 2¹ = 11706397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11706397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 650347 + ... + 650364.

Almost surely, 2^11706399 is an apocalyptic number.

11706399 is a deficient number, since it is larger than the sum of its proper divisors (5202857).

11706399 is a wasteful number, since it uses less digits than its factorization.

11706399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300717 (or 1300714 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 11706399 is about 3421.4615298144. The cubic root of 11706399 is about 227.0602478080.

It can be divided in two parts, 1170 and 6399, that added together give a square (7569 = 87²).

The spelling of 11706399 in words is "eleven million, seven hundred six thousand, three hundred ninety-nine".