4996813 has 4 divisors (see below), whose sum is σ = 5131900. Its totient is φ = 4861728.

The previous prime is 4996757. The next prime is 4996841. The reversal of 4996813 is 3186994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3186994 = 2 ⋅1593497.

It can be written as a sum of positive squares in 2 ways, for example, as 2184484 + 2812329 = 1478^2 + 1677^2 .

It is a cyclic number.

It is not a de Polignac number, because 4996813 - 2²¹ = 2899661 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4996883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67488 + ... + 67561.

It is an arithmetic number, because the mean of its divisors is an integer number (1282975).

Almost surely, 2^4996813 is an apocalyptic number.

It is an amenable number.

4996813 is a deficient number, since it is larger than the sum of its proper divisors (135087).

4996813 is a wasteful number, since it uses less digits than its factorization.

4996813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135086.

The product of its digits is 46656, while the sum is 40.

The square root of 4996813 is about 2235.3552290408. The cubic root of 4996813 is about 170.9612556568.

The spelling of 4996813 in words is "four million, nine hundred ninety-six thousand, eight hundred thirteen".