8216013 has 16 divisors (see below), whose sum is σ = 11854080. Its totient is φ = 5031744.

The previous prime is 8216003. The next prime is 8216017. The reversal of 8216013 is 3106128.

It is not a de Polignac number, because 8216013 - 2¹⁴ = 8199629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11068 + ... + 11786.

It is an arithmetic number, because the mean of its divisors is an integer number (740880).

Almost surely, 2^8216013 is an apocalyptic number.

It is an amenable number.

8216013 is a deficient number, since it is larger than the sum of its proper divisors (3638067).

8216013 is a wasteful number, since it uses less digits than its factorization.

8216013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 8216013 is about 2866.3588400617. The cubic root of 8216013 is about 201.7841451369.

The spelling of 8216013 in words is "eight million, two hundred sixteen thousand, thirteen".