16004213 has 12 divisors (see below), whose sum is σ = 17300448. Its totient is φ = 14794920.

The previous prime is 16004207. The next prime is 16004273. The reversal of 16004213 is 31240061.

It is not a de Polignac number, because 16004213 - 2⁸ = 16003957 is a prime.

It is a super-2 number, since 2×16004213² = 512269667498738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16004191 and 16004200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16004273) 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 11 ways as a sum of consecutive naturals, for example, 15008 + ... + 16038.

It is an arithmetic number, because the mean of its divisors is an integer number (1441704).

Almost surely, 2^16004213 is an apocalyptic number.

It is an amenable number.

16004213 is a deficient number, since it is larger than the sum of its proper divisors (1296235).

16004213 is a wasteful number, since it uses less digits than its factorization.

16004213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 16004213 is about 4000.5265903378. The cubic root of 16004213 is about 252.0063249021.

Adding to 16004213 its reverse (31240061), we get a palindrome (47244274).

The spelling of 16004213 in words is "sixteen million, four thousand, two hundred thirteen".