4012620 has 24 divisors (see below), whose sum is σ = 11235504. Its totient is φ = 1070016.

The previous prime is 4012601. The next prime is 4012621. The reversal of 4012620 is 262104.

It is a super-2 number, since 2×4012620² = 32202238528800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 4012620.

It is not an unprimeable number, because it can be changed into a prime (4012621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33379 + ... + 33498.

It is an arithmetic number, because the mean of its divisors is an integer number (468146).

Almost surely, 2^4012620 is an apocalyptic number.

It is an amenable number.

4012620 is an abundant number, since it is smaller than the sum of its proper divisors (7222884).

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

4012620 is a wasteful number, since it uses less digits than its factorization.

4012620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66889 (or 66887 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4012620 is about 2003.1525154116. The cubic root of 4012620 is about 158.9068716142.

Adding to 4012620 its reverse (262104), we get a palindrome (4274724).

The spelling of 4012620 in words is "four million, twelve thousand, six hundred twenty".