12887738 has 8 divisors (see below), whose sum is σ = 20349120. Its totient is φ = 6104700.

The previous prime is 12887737. The next prime is 12887753. The reversal of 12887738 is 83778821.

12887738 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 an unprimeable number, because it can be changed into a prime (12887731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169538 + ... + 169613.

It is an arithmetic number, because the mean of its divisors is an integer number (2543640).

Almost surely, 2^12887738 is an apocalyptic number.

12887738 is a deficient number, since it is larger than the sum of its proper divisors (7461382).

12887738 is a wasteful number, since it uses less digits than its factorization.

12887738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339172.

The product of its digits is 150528, while the sum is 44.

The square root of 12887738 is about 3589.9495818187. The cubic root of 12887738 is about 234.4546763893.

The spelling of 12887738 in words is "twelve million, eight hundred eighty-seven thousand, seven hundred thirty-eight".