12905250 has 32 divisors (see below), whose sum is σ = 32213376. Its totient is φ = 3441200.

The previous prime is 12905219. The next prime is 12905251. The reversal of 12905250 is 5250921.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12905250.

It is not an unprimeable number, because it can be changed into a prime (12905251) 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, 7854 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (1006668).

Almost surely, 2^12905250 is an apocalyptic number.

12905250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12905250 is an abundant number, since it is smaller than the sum of its proper divisors (19308126).

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

12905250 is a wasteful number, since it uses less digits than its factorization.

12905250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17227 (or 17217 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 12905250 is about 3592.3877853038. The cubic root of 12905250 is about 234.5608215235.

The spelling of 12905250 in words is "twelve million, nine hundred five thousand, two hundred fifty".