12887316 has 96 divisors (see below), whose sum is σ = 36785280. Its totient is φ = 3877632.

The previous prime is 12887299. The next prime is 12887341. The reversal of 12887316 is 61378821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94000 + ... + 94136.

It is an arithmetic number, because the mean of its divisors is an integer number (383180).

Almost surely, 2^12887316 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 12887316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18392640).

12887316 is an abundant number, since it is smaller than the sum of its proper divisors (23897964).

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

12887316 is a wasteful number, since it uses less digits than its factorization.

12887316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 222 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 12887316 is about 3589.8908061388. The cubic root of 12887316 is about 234.4521173430.

It can be divided in two parts, 12887 and 316, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 12887316 in words is "twelve million, eight hundred eighty-seven thousand, three hundred sixteen".