11939796 has 54 divisors (see below), whose sum is σ = 33186426. Its totient is φ = 3616800.

The previous prime is 11939791. The next prime is 11939813. The reversal of 11939796 is 69793911.

It can be written as a sum of positive squares in only one way, i.e., 9217296 + 2722500 = 3036^2 + 1650^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11939791) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2986 + ... + 5726.

Almost surely, 2^11939796 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 11939796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16593213).

11939796 is an abundant number, since it is smaller than the sum of its proper divisors (21246630).

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

11939796 is a wasteful number, since it uses less digits than its factorization.

11939796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2757 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 11939796 is about 3455.4009897550. The cubic root of 11939796 is about 228.5593376789.

The spelling of 11939796 in words is "eleven million, nine hundred thirty-nine thousand, seven hundred ninety-six".