12955272 has 64 divisors (see below), whose sum is σ = 36495360. Its totient is φ = 3796800.

The previous prime is 12955259. The next prime is 12955273. The reversal of 12955272 is 27255921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12955273) 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 15 ways as a sum of consecutive naturals, for example, 7393 + ... + 8975.

It is an arithmetic number, because the mean of its divisors is an integer number (570240).

Almost surely, 2^12955272 is an apocalyptic number.

12955272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12955272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18247680).

12955272 is an abundant number, since it is smaller than the sum of its proper divisors (23540088).

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

12955272 is a wasteful number, since it uses less digits than its factorization.

12955272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634 (or 1630 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 12955272 is about 3599.3432734320. The cubic root of 12955272 is about 234.8634909616.

The spelling of 12955272 in words is "twelve million, nine hundred fifty-five thousand, two hundred seventy-two".