12016972 has 12 divisors (see below), whose sum is σ = 22941576. Its totient is φ = 5462240.

The previous prime is 12016969. The next prime is 12016973. The reversal of 12016972 is 27961021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12016972.

It is not an unprimeable number, because it can be changed into a prime (12016973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136513 + ... + 136600.

It is an arithmetic number, because the mean of its divisors is an integer number (1911798).

Almost surely, 2^12016972 is an apocalyptic number.

It is an amenable number.

12016972 is a deficient number, since it is larger than the sum of its proper divisors (10924604).

12016972 is a wasteful number, since it uses less digits than its factorization.

12016972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273128 (or 273126 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 12016972 is about 3466.5504467698. The cubic root of 12016972 is about 229.0507314998.

Adding to 12016972 its reverse (27961021), we get a palindrome (39977993).

Subtracting 12016972 from its reverse (27961021), we obtain a square (15944049 = 3993²).

The spelling of 12016972 in words is "twelve million, sixteen thousand, nine hundred seventy-two".