11939807 has 8 divisors (see below), whose sum is σ = 13204560. Its totient is φ = 10704960.

The previous prime is 11939791. The next prime is 11939813. The reversal of 11939807 is 70893911.

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 11939807 - 2⁴ = 11939791 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 (11939887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6632 + ... + 8237.

It is an arithmetic number, because the mean of its divisors is an integer number (1650570).

Almost surely, 2^11939807 is an apocalyptic number.

11939807 is a deficient number, since it is larger than the sum of its proper divisors (1264753).

11939807 is a wasteful number, since it uses less digits than its factorization.

11939807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14953.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 11939807 is about 3455.4025814657. The cubic root of 11939807 is about 228.5594078686.

The spelling of 11939807 in words is "eleven million, nine hundred thirty-nine thousand, eight hundred seven".