12673536 has 80 divisors (see below), whose sum is σ = 34831104. Its totient is φ = 4091904.

The previous prime is 12673523. The next prime is 12673537. The reversal of 12673536 is 63537621.

It is a junction number, because it is equal to n+sod(n) for n = 12673497 and 12673506.

It is not an unprimeable number, because it can be changed into a prime (12673537) 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, 56721 + ... + 56943.

Almost surely, 2^12673536 is an apocalyptic number.

12673536 is a gapful number since it is divisible by the number (16) 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 12673536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17415552).

12673536 is an abundant number, since it is smaller than the sum of its proper divisors (22157568).

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

12673536 is an equidigital number, since it uses as much as digits as its factorization.

12673536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 265 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 12673536 is about 3559.9910112246. The cubic root of 12673536 is about 233.1484867098.

The spelling of 12673536 in words is "twelve million, six hundred seventy-three thousand, five hundred thirty-six".