12801852 has 72 divisors (see below), whose sum is σ = 38010336. Its totient is φ = 3556224.

The previous prime is 12801829. The next prime is 12801863. The reversal of 12801852 is 25810821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8638 + ... + 10010.

Almost surely, 2^12801852 is an apocalyptic number.

12801852 is a gapful number since it is divisible by the number (12) 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 12801852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19005168).

12801852 is an abundant number, since it is smaller than the sum of its proper divisors (25208484).

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

12801852 is a wasteful number, since it uses less digits than its factorization.

12801852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12801852 is about 3577.9675795066. The cubic root of 12801852 is about 233.9327003481.

The spelling of 12801852 in words is "twelve million, eight hundred one thousand, eight hundred fifty-two".