16011213 has 12 divisors (see below), whose sum is σ = 21581664. Its totient is φ = 10558600.

The previous prime is 16011211. The next prime is 16011223. The reversal of 16011213 is 31211061.

It is not a de Polignac number, because 16011213 - 2¹ = 16011211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16011192 and 16011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16011211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51328 + ... + 51638.

It is an arithmetic number, because the mean of its divisors is an integer number (1798472).

Almost surely, 2^16011213 is an apocalyptic number.

It is an amenable number.

16011213 is a deficient number, since it is larger than the sum of its proper divisors (5570451).

16011213 is an equidigital number, since it uses as much as digits as its factorization.

16011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 16011213 is about 4001.4013795169. The cubic root of 16011213 is about 252.0430607947.

Adding to 16011213 its reverse (31211061), we get a palindrome (47222274).

The spelling of 16011213 in words is "sixteen million, eleven thousand, two hundred thirteen".