6650012 has 6 divisors (see below), whose sum is σ = 11637528. Its totient is φ = 3325004.

The previous prime is 6650011. The next prime is 6650041. The reversal of 6650012 is 2100566.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831248 + ... + 831255.

It is an arithmetic number, because the mean of its divisors is an integer number (1939588).

Almost surely, 2^6650012 is an apocalyptic number.

It is an amenable number.

6650012 is a deficient number, since it is larger than the sum of its proper divisors (4987516).

6650012 is a wasteful number, since it uses less digits than its factorization.

6650012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662507 (or 1662505 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 6650012 is about 2578.7617183447. The cubic root of 6650012 is about 188.0503486696.

Adding to 6650012 its reverse (2100566), we get a palindrome (8750578).

The spelling of 6650012 in words is "six million, six hundred fifty thousand, twelve".