12047830 has 8 divisors (see below), whose sum is σ = 21686112. Its totient is φ = 4819128.

The previous prime is 12047821. The next prime is 12047851. The reversal of 12047830 is 3874021.

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 = 12047795 and 12047804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602382 + ... + 602401.

It is an arithmetic number, because the mean of its divisors is an integer number (2710764).

Almost surely, 2^12047830 is an apocalyptic number.

12047830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12047830 is a deficient number, since it is larger than the sum of its proper divisors (9638282).

12047830 is a wasteful number, since it uses less digits than its factorization.

12047830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204790.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12047830 is about 3470.9984154419. The cubic root of 12047830 is about 229.2466212839.

The spelling of 12047830 in words is "twelve million, forty-seven thousand, eight hundred thirty".