12490272 has 72 divisors (see below), whose sum is σ = 36691200. Its totient is φ = 4026240.

The previous prime is 12490259. The next prime is 12490273. The reversal of 12490272 is 27209421.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (12490273) 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 11 ways as a sum of consecutive naturals, for example, 8229 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (509600).

Almost surely, 2^12490272 is an apocalyptic number.

12490272 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 12490272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18345600).

12490272 is an abundant number, since it is smaller than the sum of its proper divisors (24200928).

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

12490272 is a wasteful number, since it uses less digits than its factorization.

12490272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1435 counting only the distinct ones).

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

The square root of 12490272 is about 3534.1578912097. The cubic root of 12490272 is about 232.0192215545.

Adding to 12490272 its reverse (27209421), we get a palindrome (39699693).

The spelling of 12490272 in words is "twelve million, four hundred ninety thousand, two hundred seventy-two".