12973356 has 54 divisors (see below), whose sum is σ = 35973756. Its totient is φ = 3909600.

The previous prime is 12973327. The next prime is 12973369. The reversal of 12973356 is 65337921.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12973356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 71586 + ... + 71766.

Almost surely, 2^12973356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12973356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17986878).

12973356 is an abundant number, since it is smaller than the sum of its proper divisors (23000400).

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

12973356 is a wasteful number, since it uses less digits than its factorization.

12973356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 197 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 12973356 is about 3601.8545223260. The cubic root of 12973356 is about 234.9727205395.

The spelling of 12973356 in words is "twelve million, nine hundred seventy-three thousand, three hundred fifty-six".