12740250 has 32 divisors (see below), whose sum is σ = 31801536. Its totient is φ = 3397200.

The previous prime is 12740249. The next prime is 12740257. The reversal of 12740250 is 5204721.

It is not an unprimeable number, because it can be changed into a prime (12740257) 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, 7744 + ... + 9243.

It is an arithmetic number, because the mean of its divisors is an integer number (993798).

Almost surely, 2^12740250 is an apocalyptic number.

12740250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12740250 is an abundant number, since it is smaller than the sum of its proper divisors (19061286).

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

12740250 is a wasteful number, since it uses less digits than its factorization.

12740250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17007 (or 16997 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 12740250 is about 3569.3486800816. The cubic root of 12740250 is about 233.5568719444.

Adding to 12740250 its reverse (5204721), we get a palindrome (17944971).

The spelling of 12740250 in words is "twelve million, seven hundred forty thousand, two hundred fifty".