6691412 has 48 divisors (see below), whose sum is σ = 14902272. Its totient is φ = 2557440.

The previous prime is 6691411. The next prime is 6691423. The reversal of 6691412 is 2141966.

Its product of digits (2592) is a multiple of the sum of its prime factors (648).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6691411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10988 + ... + 11580.

It is an arithmetic number, because the mean of its divisors is an integer number (310464).

Almost surely, 2^6691412 is an apocalyptic number.

6691412 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6691412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7451136).

6691412 is an abundant number, since it is smaller than the sum of its proper divisors (8210860).

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

6691412 is a wasteful number, since it uses less digits than its factorization.

6691412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 646 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 6691412 is about 2586.7763722440. The cubic root of 6691412 is about 188.4397807580.

The spelling of 6691412 in words is "six million, six hundred ninety-one thousand, four hundred twelve".