6641312 has 12 divisors (see below), whose sum is σ = 13075146. Its totient is φ = 3320640.

The previous prime is 6641291. The next prime is 6641329. The reversal of 6641312 is 2131466.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4343056 + 2298256 = 2084^2 + 1516^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103739 + ... + 103802.

Almost surely, 2^6641312 is an apocalyptic number.

It is an amenable number.

6641312 is a deficient number, since it is larger than the sum of its proper divisors (6433834).

6641312 is a wasteful number, since it uses less digits than its factorization.

6641312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207551 (or 207543 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 6641312 is about 2577.0743101432. The cubic root of 6641312 is about 187.9683061103.

Adding to 6641312 its reverse (2131466), we get a palindrome (8772778).

The spelling of 6641312 in words is "six million, six hundred forty-one thousand, three hundred twelve".