7063813 has 4 divisors (see below), whose sum is σ = 7079040. Its totient is φ = 7048588.

The previous prime is 7063807. The next prime is 7063817. The reversal of 7063813 is 3183607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7063813 is a prime.

It is a Duffinian number.

7063813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7063817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6895 + ... + 7852.

It is an arithmetic number, because the mean of its divisors is an integer number (1769760).

Almost surely, 2^7063813 is an apocalyptic number.

It is an amenable number.

7063813 is a deficient number, since it is larger than the sum of its proper divisors (15227).

7063813 is a wasteful number, since it uses less digits than its factorization.

7063813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15226.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 7063813 is about 2657.7834750032. The cubic root of 7063813 is about 191.8726459408.

The spelling of 7063813 in words is "seven million, sixty-three thousand, eight hundred thirteen".