12150047 has 32 divisors (see below), whose sum is σ = 15912960. Its totient is φ = 9020160.

The previous prime is 12150031. The next prime is 12150059. The reversal of 12150047 is 74005121.

It is a cyclic number.

It is not a de Polignac number, because 12150047 - 2⁴ = 12150031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166403 + ... + 166475.

It is an arithmetic number, because the mean of its divisors is an integer number (497280).

Almost surely, 2^12150047 is an apocalyptic number.

12150047 is a deficient number, since it is larger than the sum of its proper divisors (3762913).

12150047 is a wasteful number, since it uses less digits than its factorization.

12150047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12150047 is about 3485.6917534401. The cubic root of 12150047 is about 229.8931261501.

Adding to 12150047 its reverse (74005121), we get a palindrome (86155168).

The spelling of 12150047 in words is "twelve million, one hundred fifty thousand, forty-seven".