12000722 has 8 divisors (see below), whose sum is σ = 18621900. Its totient is φ = 5793424.

The previous prime is 12000683. The next prime is 12000731. The reversal of 12000722 is 22700021.

It can be written as a sum of positive squares in 2 ways, for example, as 11978521 + 22201 = 3461^2 + 149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12000697 and 12000706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103397 + ... + 103512.

Almost surely, 2^12000722 is an apocalyptic number.

12000722 is a deficient number, since it is larger than the sum of its proper divisors (6621178).

12000722 is a wasteful number, since it uses less digits than its factorization.

12000722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206940.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 12000722 is about 3464.2058252939. The cubic root of 12000722 is about 228.9474399946.

Adding to 12000722 its reverse (22700021), we get a palindrome (34700743).

The spelling of 12000722 in words is "twelve million, seven hundred twenty-two", and thus it is an aban number.