12047515 has 8 divisors (see below), whose sum is σ = 15085728. Its totient is φ = 9218880.

The previous prime is 12047513. The next prime is 12047531. The reversal of 12047515 is 51574021.

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

It is not a de Polignac number, because 12047515 - 2¹ = 12047513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12047515.

It is not an unprimeable number, because it can be changed into a prime (12047513) 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, 52266 + ... + 52495.

It is an arithmetic number, because the mean of its divisors is an integer number (1885716).

Almost surely, 2^12047515 is an apocalyptic number.

12047515 is a deficient number, since it is larger than the sum of its proper divisors (3038213).

12047515 is a wasteful number, since it uses less digits than its factorization.

12047515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104789.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 12047515 is about 3470.9530391522. The cubic root of 12047515 is about 229.2446233220.

The spelling of 12047515 in words is "twelve million, forty-seven thousand, five hundred fifteen".