11996709 has 16 divisors (see below), whose sum is σ = 16422912. Its totient is φ = 7786688.

The previous prime is 11996701. The next prime is 11996711. The reversal of 11996709 is 90769911.

11996709 = T₂₂ + T₂₃ + ... + T₄₁₅.

11996709 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11996709 - 2³ = 11996701 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11996701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31132 + ... + 31514.

It is an arithmetic number, because the mean of its divisors is an integer number (1026432).

Almost surely, 2^11996709 is an apocalyptic number.

It is an amenable number.

11996709 is a deficient number, since it is larger than the sum of its proper divisors (4426203).

11996709 is a wasteful number, since it uses less digits than its factorization.

11996709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 11996709 is about 3463.6265676311. The cubic root of 11996709 is about 228.9219174050.

The spelling of 11996709 in words is "eleven million, nine hundred ninety-six thousand, seven hundred nine".