14839813 has 4 divisors (see below), whose sum is σ = 14915340. Its totient is φ = 14764288.

The previous prime is 14839801. The next prime is 14839831. The reversal of 14839813 is 31893841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31893841 = 7 ⋅4556263.

It can be written as a sum of positive squares in 2 ways, for example, as 8773444 + 6066369 = 2962^2 + 2463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14839813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14839883) 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, 37468 + ... + 37861.

It is an arithmetic number, because the mean of its divisors is an integer number (3728835).

Almost surely, 2^14839813 is an apocalyptic number.

It is an amenable number.

14839813 is a deficient number, since it is larger than the sum of its proper divisors (75527).

14839813 is an equidigital number, since it uses as much as digits as its factorization.

14839813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75526.

The product of its digits is 20736, while the sum is 37.

The square root of 14839813 is about 3852.2477853845. The cubic root of 14839813 is about 245.7401634358.

The spelling of 14839813 in words is "fourteen million, eight hundred thirty-nine thousand, eight hundred thirteen".