12952780 has 24 divisors (see below), whose sum is σ = 27387360. Its totient is φ = 5145600.

The previous prime is 12952757. The next prime is 12952781. The reversal of 12952780 is 8725921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12952781) 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 7 ways as a sum of consecutive naturals, for example, 876 + ... + 5164.

It is an arithmetic number, because the mean of its divisors is an integer number (1141140).

Almost surely, 2^12952780 is an apocalyptic number.

12952780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12952780 is an abundant number, since it is smaller than the sum of its proper divisors (14434580).

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

12952780 is a wasteful number, since it uses less digits than its factorization.

12952780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449 (or 4447 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 12952780 is about 3598.9970825217. The cubic root of 12952780 is about 234.8484310089.

The spelling of 12952780 in words is "twelve million, nine hundred fifty-two thousand, seven hundred eighty".