12851930 has 64 divisors (see below), whose sum is σ = 29514240. Its totient is φ = 3919104.

The previous prime is 12851929. The next prime is 12851933. The reversal of 12851930 is 3915821.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 12851893 and 12851902.

It is not an unprimeable number, because it can be changed into a prime (12851933) 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 31 ways as a sum of consecutive naturals, for example, 26147 + ... + 26633.

It is an arithmetic number, because the mean of its divisors is an integer number (461160).

Almost surely, 2^12851930 is an apocalyptic number.

12851930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12851930 is an abundant number, since it is smaller than the sum of its proper divisors (16662310).

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

12851930 is a wasteful number, since it uses less digits than its factorization.

12851930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 12851930 is about 3584.9588561098. The cubic root of 12851930 is about 234.2373343844.

The spelling of 12851930 in words is "twelve million, eight hundred fifty-one thousand, nine hundred thirty".