12501280 has 48 divisors (see below), whose sum is σ = 32223744. Its totient is φ = 4545280.

The previous prime is 12501257. The next prime is 12501283. The reversal of 12501280 is 8210521.

It is not an unprimeable number, because it can be changed into a prime (12501283) 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, 1792 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (671328).

Almost surely, 2^12501280 is an apocalyptic number.

12501280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12501280 is an abundant number, since it is smaller than the sum of its proper divisors (19722464).

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

12501280 is a wasteful number, since it uses less digits than its factorization.

12501280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129 (or 7121 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 12501280 is about 3535.7149206349. The cubic root of 12501280 is about 232.0873630552.

The spelling of 12501280 in words is "twelve million, five hundred one thousand, two hundred eighty".