8013420 has 36 divisors (see below), whose sum is σ = 24307920. Its totient is φ = 2136864.

The previous prime is 8013403. The next prime is 8013433. The reversal of 8013420 is 243108.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 8013393 and 8013402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22080 + ... + 22439.

It is an arithmetic number, because the mean of its divisors is an integer number (675220).

Almost surely, 2^8013420 is an apocalyptic number.

It is an amenable number.

8013420 is an abundant number, since it is smaller than the sum of its proper divisors (16294500).

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

8013420 is a wasteful number, since it uses less digits than its factorization.

8013420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44534 (or 44529 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8013420 is about 2830.7984739292. The cubic root of 8013420 is about 200.1117708581. Note that the first 3 decimals are identical.

Adding to 8013420 its reverse (243108), we get a palindrome (8256528).

The spelling of 8013420 in words is "eight million, thirteen thousand, four hundred twenty".