12284738 has 8 divisors (see below), whose sum is σ = 18524160. Its totient is φ = 6110020.

The previous prime is 12284717. The next prime is 12284749. The reversal of 12284738 is 83748221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12284698 and 12284707.

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 3 ways as a sum of consecutive naturals, for example, 15698 + ... + 16461.

It is an arithmetic number, because the mean of its divisors is an integer number (2315520).

Almost surely, 2^12284738 is an apocalyptic number.

12284738 is a deficient number, since it is larger than the sum of its proper divisors (6239422).

12284738 is a wasteful number, since it uses less digits than its factorization.

12284738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32352.

The product of its digits is 21504, while the sum is 35.

The square root of 12284738 is about 3504.9590582488. The cubic root of 12284738 is about 230.7395100927.

The spelling of 12284738 in words is "twelve million, two hundred eighty-four thousand, seven hundred thirty-eight".