7013320 has 16 divisors (see below), whose sum is σ = 15780060. Its totient is φ = 2805312.

The previous prime is 7013317. The next prime is 7013327. The reversal of 7013320 is 233107.

It can be written as a sum of positive squares in 2 ways, for example, as 6646084 + 367236 = 2578^2 + 606^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7013294 and 7013303.

It is not an unprimeable number, because it can be changed into a prime (7013327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87627 + ... + 87706.

Almost surely, 2^7013320 is an apocalyptic number.

It is an amenable number.

7013320 is an abundant number, since it is smaller than the sum of its proper divisors (8766740).

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

7013320 is a wasteful number, since it uses less digits than its factorization.

7013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175344 (or 175340 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 7013320 is about 2648.2673581042. The cubic root of 7013320 is about 191.4143758899.

Adding to 7013320 its reverse (233107), we get a palindrome (7246427).

The spelling of 7013320 in words is "seven million, thirteen thousand, three hundred twenty".