12047115 has 8 divisors (see below), whose sum is σ = 19275408. Its totient is φ = 6425120.

The previous prime is 12047111. The next prime is 12047137. The reversal of 12047115 is 51174021.

It is a happy number.

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

It is not a de Polignac number, because 12047115 - 2² = 12047111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12047091 and 12047100.

It is not an unprimeable number, because it can be changed into a prime (12047111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401556 + ... + 401585.

It is an arithmetic number, because the mean of its divisors is an integer number (2409426).

Almost surely, 2^12047115 is an apocalyptic number.

12047115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12047115 is a deficient number, since it is larger than the sum of its proper divisors (7228293).

12047115 is an equidigital number, since it uses as much as digits as its factorization.

12047115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803149.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 12047115 is about 3470.8954176120. The cubic root of 12047115 is about 229.2420861774.

The spelling of 12047115 in words is "twelve million, forty-seven thousand, one hundred fifteen".