15320216 has 16 divisors (see below), whose sum is σ = 28852200. Its totient is φ = 7626304.

The previous prime is 15320197. The next prime is 15320219. The reversal of 15320216 is 61202351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15320219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246 + ... + 5973.

Almost surely, 2^15320216 is an apocalyptic number.

It is an amenable number.

15320216 is a deficient number, since it is larger than the sum of its proper divisors (13531984).

15320216 is a wasteful number, since it uses less digits than its factorization.

15320216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8458 (or 8454 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 15320216 is about 3914.1047507700. The cubic root of 15320216 is about 248.3638000947.

Adding to 15320216 its reverse (61202351), we get a palindrome (76522567).

The spelling of 15320216 in words is "fifteen million, three hundred twenty thousand, two hundred sixteen".