11739917 has 8 divisors (see below), whose sum is σ = 13850112. Its totient is φ = 9738000.

The previous prime is 11739907. The next prime is 11739971. The reversal of 11739917 is 71993711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11739917 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 (11739907) 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 7 ways as a sum of consecutive naturals, for example, 26834 + ... + 27267.

It is an arithmetic number, because the mean of its divisors is an integer number (1731264).

Almost surely, 2^11739917 is an apocalyptic number.

It is an amenable number.

11739917 is a deficient number, since it is larger than the sum of its proper divisors (2110195).

11739917 is an equidigital number, since it uses as much as digits as its factorization.

11739917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54139.

The product of its digits is 11907, while the sum is 38.

The square root of 11739917 is about 3426.3562278315. The cubic root of 11739917 is about 227.2767491506.

The spelling of 11739917 in words is "eleven million, seven hundred thirty-nine thousand, nine hundred seventeen".