12850400 has 36 divisors (see below), whose sum is σ = 31372992. Its totient is φ = 5139840.

The previous prime is 12850391. The next prime is 12850417. The reversal of 12850400 is 405821.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7232 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (871472).

Almost surely, 2^12850400 is an apocalyptic number.

12850400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12850400 is an abundant number, since it is smaller than the sum of its proper divisors (18522592).

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

12850400 is a wasteful number, since it uses less digits than its factorization.

12850400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16083 (or 16070 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 12850400 is about 3584.7454581881. The cubic root of 12850400 is about 234.2280388325.

The spelling of 12850400 in words is "twelve million, eight hundred fifty thousand, four hundred".