3012660 has 96 divisors (see below), whose sum is σ = 10725120. Its totient is φ = 687744.

The previous prime is 3012649. The next prime is 3012683. The reversal of 3012660 is 662103.

It is a happy number.

3012660 is a `hidden beast` number, since 3 + 0 + 1 + 2 + 660 = 666.

It is a super-2 number, since 2×3012660² = 18152240551200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3382 + ... + 4178.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

Almost surely, 2^3012660 is an apocalyptic number.

3012660 is a gapful number since it is divisible by the number (30) 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 3012660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362560).

3012660 is an abundant number, since it is smaller than the sum of its proper divisors (7712460).

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

3012660 is a wasteful number, since it uses less digits than its factorization.

3012660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3012660 is about 1735.7015872551. The cubic root of 3012660 is about 144.4275487580.

Adding to 3012660 its reverse (662103), we get a palindrome (3674763).

The spelling of 3012660 in words is "three million, twelve thousand, six hundred sixty".