12761850 has 48 divisors (see below), whose sum is σ = 31917600. Its totient is φ = 3374400.

The previous prime is 12761813. The next prime is 12761851. The reversal of 12761850 is 5816721.

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

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

It is not an unprimeable number, because it can be changed into a prime (12761851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22065 + ... + 22635.

It is an arithmetic number, because the mean of its divisors is an integer number (664950).

Almost surely, 2^12761850 is an apocalyptic number.

12761850 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 12761850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15958800).

12761850 is an abundant number, since it is smaller than the sum of its proper divisors (19155750).

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

12761850 is a wasteful number, since it uses less digits than its factorization.

12761850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 12761850 is about 3572.3731607994. The cubic root of 12761850 is about 233.6887892953.

The spelling of 12761850 in words is "twelve million, seven hundred sixty-one thousand, eight hundred fifty".