11920772 has 6 divisors (see below), whose sum is σ = 20861358. Its totient is φ = 5960384.

The previous prime is 11920759. The next prime is 11920789. The reversal of 11920772 is 27702911.

11920772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7054336 + 4866436 = 2656^2 + 2206^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490093 + ... + 1490100.

It is an arithmetic number, because the mean of its divisors is an integer number (3476893).

Almost surely, 2^11920772 is an apocalyptic number.

It is an amenable number.

11920772 is a deficient number, since it is larger than the sum of its proper divisors (8940586).

11920772 is a wasteful number, since it uses less digits than its factorization.

11920772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980197 (or 2980195 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 11920772 is about 3452.6471004144. The cubic root of 11920772 is about 228.4378832250.

The spelling of 11920772 in words is "eleven million, nine hundred twenty thousand, seven hundred seventy-two".