4212780 has 96 divisors (see below), whose sum is σ = 13886208. Its totient is φ = 940800.

The previous prime is 4212773. The next prime is 4212797. The reversal of 4212780 is 872124.

It is a self number, because there is not a number n which added to its sum of digits gives 4212780.

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, 8335 + ... + 8825.

It is an arithmetic number, because the mean of its divisors is an integer number (144648).

Almost surely, 2^4212780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4212780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6943104).

4212780 is an abundant number, since it is smaller than the sum of its proper divisors (9673428).

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

4212780 is a wasteful number, since it uses less digits than its factorization.

4212780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 4212780 is about 2052.5057856191. The cubic root of 4212780 is about 161.5063466596.

The spelling of 4212780 in words is "four million, two hundred twelve thousand, seven hundred eighty".