12548772 has 36 divisors (see below), whose sum is σ = 32581276. Its totient is φ = 4069440.

The previous prime is 12548761. The next prime is 12548779. The reversal of 12548772 is 27784521.

It can be written as a sum of positive squares in 2 ways, for example, as 7986276 + 4562496 = 2826^2 + 2136^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12548779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3379 + ... + 6042.

Almost surely, 2^12548772 is an apocalyptic number.

12548772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12548772 is an abundant number, since it is smaller than the sum of its proper divisors (20032504).

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

12548772 is a wasteful number, since it uses less digits than its factorization.

12548772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468 (or 9463 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 12548772 is about 3542.4245934106. The cubic root of 12548772 is about 232.3808893885.

The spelling of 12548772 in words is "twelve million, five hundred forty-eight thousand, seven hundred seventy-two".