13126216 has 16 divisors (see below), whose sum is σ = 24839100. Its totient is φ = 6502464.

The previous prime is 13126213. The next prime is 13126219. The reversal of 13126216 is 61262131.

It is an interprime number because it is at equal distance from previous prime (13126213) and next prime (13126219).

It can be written as a sum of positive squares in 2 ways, for example, as 11249316 + 1876900 = 3354^2 + 1370^2 .

It is not an unprimeable number, because it can be changed into a prime (13126213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6655 + ... + 8398.

Almost surely, 2^13126216 is an apocalyptic number.

It is an amenable number.

13126216 is a deficient number, since it is larger than the sum of its proper divisors (11712884).

13126216 is a wasteful number, since it uses less digits than its factorization.

13126216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168 (or 15164 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 13126216 is about 3623.0120066044. The cubic root of 13126216 is about 235.8919835094.

Adding to 13126216 its reverse (61262131), we get a palindrome (74388347).

The spelling of 13126216 in words is "thirteen million, one hundred twenty-six thousand, two hundred sixteen".