8012420 has 24 divisors (see below), whose sum is σ = 18120984. Its totient is φ = 2958336.

The previous prime is 8012401. The next prime is 8012429. The reversal of 8012420 is 242108.

It can be written as a sum of positive squares in 4 ways, for example, as 217156 + 7795264 = 466^2 + 2792^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8012429) 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, 15149 + ... + 15668.

It is an arithmetic number, because the mean of its divisors is an integer number (755041).

Almost surely, 2^8012420 is an apocalyptic number.

It is an amenable number.

8012420 is an abundant number, since it is smaller than the sum of its proper divisors (10108564).

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

8012420 is a wasteful number, since it uses less digits than its factorization.

8012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30839 (or 30837 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 8012420 is about 2830.6218398083. The cubic root of 8012420 is about 200.1034464849.

Adding to 8012420 its reverse (242108), we get a palindrome (8254528).

The spelling of 8012420 in words is "eight million, twelve thousand, four hundred twenty".