15796213 has 12 divisors (see below), whose sum is σ = 17399340. Its totient is φ = 14274176.

The previous prime is 15796189. The next prime is 15796217. The reversal of 15796213 is 31269751.

It can be written as a sum of positive squares in 2 ways, for example, as 10381284 + 5414929 = 3222^2 + 2327^2 .

It is not a de Polignac number, because 15796213 - 2¹⁷ = 15665141 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 (15796217) 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, 88158 + ... + 88336.

It is an arithmetic number, because the mean of its divisors is an integer number (1449945).

Almost surely, 2^15796213 is an apocalyptic number.

It is an amenable number.

15796213 is a deficient number, since it is larger than the sum of its proper divisors (1603127).

15796213 is an equidigital number, since it uses as much as digits as its factorization.

15796213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 225 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 15796213 is about 3974.4449927002. Note that the first 3 decimals coincide. The cubic root of 15796213 is about 250.9098208871.

The spelling of 15796213 in words is "fifteen million, seven hundred ninety-six thousand, two hundred thirteen".