11897759 has 8 divisors (see below), whose sum is σ = 12121200. Its totient is φ = 11676096.

The previous prime is 11897747. The next prime is 11897761. The reversal of 11897759 is 95779811.

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 11897759 - 2²⁰ = 10849183 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 (11897779) 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, 25244 + ... + 25710.

It is an arithmetic number, because the mean of its divisors is an integer number (1515150).

Almost surely, 2^11897759 is an apocalyptic number.

11897759 is a deficient number, since it is larger than the sum of its proper divisors (223441).

11897759 is an equidigital number, since it uses as much as digits as its factorization.

11897759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its digits is 158760, while the sum is 47.

The square root of 11897759 is about 3449.3128301156. The cubic root of 11897759 is about 228.2907890732.

The spelling of 11897759 in words is "eleven million, eight hundred ninety-seven thousand, seven hundred fifty-nine".