11906993 has 8 divisors (see below), whose sum is σ = 13630080. Its totient is φ = 10189440.

The previous prime is 11906981. The next prime is 11907011. The reversal of 11906993 is 39960911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11906993 - 2⁶ = 11906929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11906693) 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, 5588 + ... + 7418.

It is an arithmetic number, because the mean of its divisors is an integer number (1703760).

Almost surely, 2^11906993 is an apocalyptic number.

It is an amenable number.

11906993 is a deficient number, since it is larger than the sum of its proper divisors (1723087).

11906993 is an equidigital number, since it uses as much as digits as its factorization.

11906993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 11906993 is about 3450.6510979814. The cubic root of 11906993 is about 228.3498335824.

The spelling of 11906993 in words is "eleven million, nine hundred six thousand, nine hundred ninety-three".