11720012 has 6 divisors (see below), whose sum is σ = 20510028. Its totient is φ = 5860004.

The previous prime is 11719999. The next prime is 11720029. The reversal of 11720012 is 21002711.

11720012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464998 + ... + 1465005.

It is an arithmetic number, because the mean of its divisors is an integer number (3418338).

Almost surely, 2^11720012 is an apocalyptic number.

It is an amenable number.

11720012 is a deficient number, since it is larger than the sum of its proper divisors (8790016).

11720012 is a wasteful number, since it uses less digits than its factorization.

11720012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930007 (or 2930005 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 11720012 is about 3423.4503063430. The cubic root of 11720012 is about 227.1482274333.

Adding to 11720012 its reverse (21002711), we get a palindrome (32722723).

The spelling of 11720012 in words is "eleven million, seven hundred twenty thousand, twelve".