14870813 has 2 divisors, whose sum is σ = 14870814. Its totient is φ = 14870812.

The previous prime is 14870803. The next prime is 14870827. The reversal of 14870813 is 31807841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14273284 + 597529 = 3778^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 14870813 - 2⁴ = 14870797 is a prime.

It is a super-2 number, since 2×14870813² = 442282158561938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14870813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14870803) 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 as a sum of consecutive naturals, namely, 7435406 + 7435407.

It is an arithmetic number, because the mean of its divisors is an integer number (7435407).

Almost surely, 2^14870813 is an apocalyptic number.

It is an amenable number.

14870813 is a deficient number, since it is larger than the sum of its proper divisors (1).

14870813 is an equidigital number, since it uses as much as digits as its factorization.

14870813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 14870813 is about 3856.2693111348. The cubic root of 14870813 is about 245.9111594506.

The spelling of 14870813 in words is "fourteen million, eight hundred seventy thousand, eight hundred thirteen".