12776250 has 40 divisors (see below), whose sum is σ = 31939776. Its totient is φ = 3406000.

The previous prime is 12776249. The next prime is 12776251. The reversal of 12776250 is 5267721.

It is an interprime number because it is at equal distance from previous prime (12776249) and next prime (12776251).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12776251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2047 + ... + 5453.

Almost surely, 2^12776250 is an apocalyptic number.

12776250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12776250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15969888).

12776250 is an abundant number, since it is smaller than the sum of its proper divisors (19163526).

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

12776250 is an equidigital number, since it uses as much as digits as its factorization.

12776250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432 (or 3417 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 12776250 is about 3574.3880595145. The cubic root of 12776250 is about 233.7766515219.

The spelling of 12776250 in words is "twelve million, seven hundred seventy-six thousand, two hundred fifty".