12893985 has 80 divisors (see below), whose sum is σ = 26019840. Its totient is φ = 6065280.

The previous prime is 12893983. The next prime is 12894001. The reversal of 12893985 is 58939821.

It is a happy number.

12893985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12893985 - 2¹ = 12893983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12893985.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12893983) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 163176 + ... + 163254.

It is an arithmetic number, because the mean of its divisors is an integer number (325248).

Almost surely, 2^12893985 is an apocalyptic number.

12893985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12893985 is an abundant number, since it is smaller than the sum of its proper divisors (13125855).

12893985 is a wasteful number, since it uses less digits than its factorization.

12893985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 131 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 12893985 is about 3590.8195443380. The cubic root of 12893985 is about 234.4925522311.

The spelling of 12893985 in words is "twelve million, eight hundred ninety-three thousand, nine hundred eighty-five".