8407013 has 4 divisors (see below), whose sum is σ = 8696940. Its totient is φ = 8117088.

The previous prime is 8407001. The next prime is 8407037. The reversal of 8407013 is 3107048.

It is a happy number.

8407013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6646084 + 1760929 = 2578^2 + 1327^2 .

It is a cyclic number.

It is not a de Polignac number, because 8407013 - 2¹² = 8402917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8407013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8407073) 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, 144920 + ... + 144977.

It is an arithmetic number, because the mean of its divisors is an integer number (2174235).

Almost surely, 2^8407013 is an apocalyptic number.

It is an amenable number.

8407013 is a deficient number, since it is larger than the sum of its proper divisors (289927).

8407013 is a wasteful number, since it uses less digits than its factorization.

8407013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289926.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 8407013 is about 2899.4849542634. The cubic root of 8407013 is about 203.3358269574.

The spelling of 8407013 in words is "eight million, four hundred seven thousand, thirteen".