14820813 has 24 divisors (see below), whose sum is σ = 25375168. Its totient is φ = 8468064.

The previous prime is 14820811. The next prime is 14820833. The reversal of 14820813 is 31802841.

14820813 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14820813 - 2¹ = 14820811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14820811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2656 + ... + 6057.

Almost surely, 2^14820813 is an apocalyptic number.

It is an amenable number.

14820813 is a deficient number, since it is larger than the sum of its proper divisors (10554355).

14820813 is an frugal number, since it uses more digits than its factorization.

14820813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735 (or 8723 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 14820813 is about 3849.7809028567. The cubic root of 14820813 is about 245.6352416917.

The spelling of 14820813 in words is "fourteen million, eight hundred twenty thousand, eight hundred thirteen".