12850380 has 96 divisors (see below), whose sum is σ = 40824000. Its totient is φ = 3354624.

The previous prime is 12850363. The next prime is 12850381. The reversal of 12850380 is 8305821.

It is a happy number.

12850380 is a `hidden beast` number, since 1 + 285 + 0 + 380 = 666.

It is a super-2 number, since 2×12850380² = 330264532288800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12850381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28396 + ... + 28844.

It is an arithmetic number, because the mean of its divisors is an integer number (425250).

Almost surely, 2^12850380 is an apocalyptic number.

12850380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12850380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20412000).

12850380 is an abundant number, since it is smaller than the sum of its proper divisors (27973620).

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

12850380 is a wasteful number, since it uses less digits than its factorization.

12850380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 12850380 is about 3584.7426685886. The cubic root of 12850380 is about 234.2279173172.

The spelling of 12850380 in words is "twelve million, eight hundred fifty thousand, three hundred eighty".