12718272 has 56 divisors (see below), whose sum is σ = 38461696. Its totient is φ = 3633408.

The previous prime is 12718253. The next prime is 12718273. The reversal of 12718272 is 27281721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12718273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388 + ... + 6075.

It is an arithmetic number, because the mean of its divisors is an integer number (686816).

Almost surely, 2^12718272 is an apocalyptic number.

12718272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12718272 is an abundant number, since it is smaller than the sum of its proper divisors (25743424).

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

12718272 is an equidigital number, since it uses as much as digits as its factorization.

12718272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9485 (or 9475 counting only the distinct ones).

The product of its digits is 3136, while the sum is 30.

The square root of 12718272 is about 3566.2686382268. The cubic root of 12718272 is about 233.4224929108.

Adding to 12718272 its reverse (27281721), we get a palindrome (39999993).

The spelling of 12718272 in words is "twelve million, seven hundred eighteen thousand, two hundred seventy-two".