12853890 has 80 divisors (see below), whose sum is σ = 39517632. Its totient is φ = 2936736.

The previous prime is 12853877. The next prime is 12853963. The reversal of 12853890 is 9835821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4537 + ... + 6803.

Almost surely, 2^12853890 is an apocalyptic number.

12853890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12853890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19758816).

12853890 is an abundant number, since it is smaller than the sum of its proper divisors (26663742).

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

12853890 is a wasteful number, since it uses less digits than its factorization.

12853890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2284 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 12853890 is about 3585.2322100528. The cubic root of 12853890 is about 234.2492413337.

The spelling of 12853890 in words is "twelve million, eight hundred fifty-three thousand, eight hundred ninety".