13732216 has 16 divisors (see below), whose sum is σ = 25812000. Its totient is φ = 6849024.

The previous prime is 13732211. The next prime is 13732237. The reversal of 13732216 is 61223731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13732211) 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, 1681 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (1613250).

Almost surely, 2^13732216 is an apocalyptic number.

It is an amenable number.

13732216 is a deficient number, since it is larger than the sum of its proper divisors (12079784).

13732216 is a wasteful number, since it uses less digits than its factorization.

13732216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278 (or 4274 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 13732216 is about 3705.7004735947. The cubic root of 13732216 is about 239.4676627031.

Adding to 13732216 its reverse (61223731), we get a palindrome (74955947).

The spelling of 13732216 in words is "thirteen million, seven hundred thirty-two thousand, two hundred sixteen".