6412656 has 20 divisors (see below), whose sum is σ = 16566152. Its totient is φ = 2137536.

The previous prime is 6412643. The next prime is 6412657. The reversal of 6412656 is 6562146.

It is a super-2 number, since 2×6412656² = 82244313948672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66751 + ... + 66846.

Almost surely, 2^6412656 is an apocalyptic number.

It is an amenable number.

6412656 is an abundant number, since it is smaller than the sum of its proper divisors (10153496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6412656 is a wasteful number, since it uses less digits than its factorization.

6412656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133608 (or 133602 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 6412656 is about 2532.3222543744. The cubic root of 6412656 is about 185.7858559877.

It can be divided in two parts, 64 and 12656, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 6412656 in words is "six million, four hundred twelve thousand, six hundred fifty-six".