12616272 has 30 divisors (see below), whose sum is σ = 35308442. Its totient is φ = 4205376.

The previous prime is 12616271. The next prime is 12616273. The reversal of 12616272 is 27261621.

It is an interprime number because it is at equal distance from previous prime (12616271) and next prime (12616273).

It can be written as a sum of positive squares in only one way, i.e., 12362256 + 254016 = 3516^2 + 504^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12616271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43663 + ... + 43950.

Almost surely, 2^12616272 is an apocalyptic number.

12616272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12616272 is an abundant number, since it is smaller than the sum of its proper divisors (22692170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12616272 is a wasteful number, since it uses less digits than its factorization.

12616272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87627 (or 87618 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12616272 is about 3551.9391886686. The cubic root of 12616272 is about 232.7968044341.

Adding to 12616272 its reverse (27261621), we get a palindrome (39877893).

The spelling of 12616272 in words is "twelve million, six hundred sixteen thousand, two hundred seventy-two".