12775950 has 144 divisors (see below), whose sum is σ = 39171600. Its totient is φ = 2956800.

The previous prime is 12775943. The next prime is 12775951. The reversal of 12775950 is 5957721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12775951) 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 71 ways as a sum of consecutive naturals, for example, 143506 + ... + 143594.

It is an arithmetic number, because the mean of its divisors is an integer number (272025).

Almost surely, 2^12775950 is an apocalyptic number.

12775950 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 12775950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19585800).

12775950 is an abundant number, since it is smaller than the sum of its proper divisors (26395650).

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

12775950 is a wasteful number, since it uses less digits than its factorization.

12775950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 12775950 is about 3574.3460940429. The cubic root of 12775950 is about 233.7748217324.

It can be divided in two parts, 1277 and 5950, that added together give a palindrome (7227).

The spelling of 12775950 in words is "twelve million, seven hundred seventy-five thousand, nine hundred fifty".