16214813 has 4 divisors (see below), whose sum is σ = 16225440. Its totient is φ = 16204188.

The previous prime is 16214801. The next prime is 16214879. The reversal of 16214813 is 31841261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31841261 = 269 ⋅118369.

It is a cyclic number.

It is not a de Polignac number, because 16214813 - 2¹⁸ = 15952669 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 (16214113) 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, 2543 + ... + 6236.

It is an arithmetic number, because the mean of its divisors is an integer number (4056360).

Almost surely, 2^16214813 is an apocalyptic number.

It is an amenable number.

16214813 is a deficient number, since it is larger than the sum of its proper divisors (10627).

16214813 is an equidigital number, since it uses as much as digits as its factorization.

16214813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10626.

The product of its digits is 1152, while the sum is 26.

The square root of 16214813 is about 4026.7620987588. The cubic root of 16214813 is about 253.1068981212.

The spelling of 16214813 in words is "sixteen million, two hundred fourteen thousand, eight hundred thirteen".