12736885 has 8 divisors (see below), whose sum is σ = 17467776. Its totient is φ = 8733840.

The previous prime is 12736883. The next prime is 12736891. The reversal of 12736885 is 58863721.

12736885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12736885 - 2¹ = 12736883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12736883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181921 + ... + 181990.

It is an arithmetic number, because the mean of its divisors is an integer number (2183472).

Almost surely, 2^12736885 is an apocalyptic number.

It is an amenable number.

12736885 is a deficient number, since it is larger than the sum of its proper divisors (4730891).

12736885 is an equidigital number, since it uses as much as digits as its factorization.

12736885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363923.

The product of its digits is 80640, while the sum is 40.

The square root of 12736885 is about 3568.8772744380. The cubic root of 12736885 is about 233.5363075107.

The spelling of 12736885 in words is "twelve million, seven hundred thirty-six thousand, eight hundred eighty-five".