11929716 has 72 divisors (see below), whose sum is σ = 32412744. Its totient is φ = 3686400.

The previous prime is 11929703. The next prime is 11929721. The reversal of 11929716 is 61792911.

It can be written as a sum of positive squares in 4 ways, for example, as 4928400 + 7001316 = 2220^2 + 2646^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61716 + ... + 61908.

It is an arithmetic number, because the mean of its divisors is an integer number (450177).

Almost surely, 2^11929716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11929716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16206372).

11929716 is an abundant number, since it is smaller than the sum of its proper divisors (20483028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11929716 is a wasteful number, since it uses less digits than its factorization.

11929716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 316 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 11929716 is about 3453.9420956351. The cubic root of 11929716 is about 228.4950002657.

The spelling of 11929716 in words is "eleven million, nine hundred twenty-nine thousand, seven hundred sixteen".