6963813 has 20 divisors (see below), whose sum is σ = 10490700. Its totient is φ = 4603392.

The previous prime is 6963811. The next prime is 6963839. The reversal of 6963813 is 3183696.

It is a happy number.

6963813 is a `hidden beast` number, since 6 + 9 + 638 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4397409 + 2566404 = 2097^2 + 1602^2 .

It is not a de Polignac number, because 6963813 - 2¹ = 6963811 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (23328) is a multiple of the sum of its prime divisors (729).

6963813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6963811) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11781 + ... + 12357.

It is an arithmetic number, because the mean of its divisors is an integer number (524535).

Almost surely, 2^6963813 is an apocalyptic number.

It is an amenable number.

6963813 is a deficient number, since it is larger than the sum of its proper divisors (3526887).

6963813 is a wasteful number, since it uses less digits than its factorization.

6963813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 729 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6963813 is about 2638.9037496658. The cubic root of 6963813 is about 190.9629141377.

It can be divided in two parts, 6963 and 813, that added together give a 5-th power (7776 = 6⁵).

The spelling of 6963813 in words is "six million, nine hundred sixty-three thousand, eight hundred thirteen".