12150647 has 4 divisors (see below), whose sum is σ = 12678960. Its totient is φ = 11622336.

The previous prime is 12150641. The next prime is 12150673. The reversal of 12150647 is 74605121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74605121 = 47 ⋅1587343.

It is a cyclic number.

It is not a de Polignac number, because 12150647 - 2⁶ = 12150583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264122 + ... + 264167.

It is an arithmetic number, because the mean of its divisors is an integer number (3169740).

Almost surely, 2^12150647 is an apocalyptic number.

12150647 is a deficient number, since it is larger than the sum of its proper divisors (528313).

12150647 is an equidigital number, since it uses as much as digits as its factorization.

12150647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528312.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12150647 is about 3485.7778185077. Note that the first 3 decimals coincide. The cubic root of 12150647 is about 229.8969103222.

Adding to 12150647 its reverse (74605121), we get a palindrome (86755768).

The spelling of 12150647 in words is "twelve million, one hundred fifty thousand, six hundred forty-seven".