12851892 has 48 divisors (see below), whose sum is σ = 33617920. Its totient is φ = 4245696.

The previous prime is 12851851. The next prime is 12851897. The reversal of 12851892 is 29815821.

It is a super-2 number, since 2×12851892² = 330342255959328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12851897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13248 + ... + 14184.

Almost surely, 2^12851892 is an apocalyptic number.

12851892 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 12851892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16808960).

12851892 is an abundant number, since it is smaller than the sum of its proper divisors (20766028).

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

12851892 is a wasteful number, since it uses less digits than its factorization.

12851892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1069 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 12851892 is about 3584.9535561845. The cubic root of 12851892 is about 234.2371035234.

The spelling of 12851892 in words is "twelve million, eight hundred fifty-one thousand, eight hundred ninety-two".