12801885 has 16 divisors (see below), whose sum is σ = 20870784. Its totient is φ = 6698432.

The previous prime is 12801863. The next prime is 12801911. The reversal of 12801885 is 58810821.

It is a cyclic number.

It is not a de Polignac number, because 12801885 - 2⁶ = 12801821 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7257 + ... + 8846.

It is an arithmetic number, because the mean of its divisors is an integer number (1304424).

Almost surely, 2^12801885 is an apocalyptic number.

12801885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12801885 is a deficient number, since it is larger than the sum of its proper divisors (8068899).

12801885 is a wasteful number, since it uses less digits than its factorization.

12801885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16164.

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 12801885 is about 3577.9721910602. The cubic root of 12801885 is about 233.9329013547.

The spelling of 12801885 in words is "twelve million, eight hundred one thousand, eight hundred eighty-five".