12287748 has 24 divisors (see below), whose sum is σ = 31278240. Its totient is φ = 3723520.

The previous prime is 12287711. The next prime is 12287767. The reversal of 12287748 is 84778221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46413 + ... + 46676.

It is an arithmetic number, because the mean of its divisors is an integer number (1303260).

Almost surely, 2^12287748 is an apocalyptic number.

It is an amenable number.

12287748 is an abundant number, since it is smaller than the sum of its proper divisors (18990492).

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

12287748 is a wasteful number, since it uses less digits than its factorization.

12287748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93107 (or 93105 counting only the distinct ones).

The product of its digits is 50176, while the sum is 39.

The square root of 12287748 is about 3505.3884235559. The cubic root of 12287748 is about 230.7583537779.

The spelling of 12287748 in words is "twelve million, two hundred eighty-seven thousand, seven hundred forty-eight".