12150005 has 8 divisors (see below), whose sum is σ = 16662912. Its totient is φ = 8331408.

The previous prime is 12150001. The next prime is 12150011. The reversal of 12150005 is 50005121.

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

It is a cyclic number.

It is not a de Polignac number, because 12150005 - 2² = 12150001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150001) 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, 173537 + ... + 173606.

It is an arithmetic number, because the mean of its divisors is an integer number (2082864).

Almost surely, 2^12150005 is an apocalyptic number.

It is an amenable number.

12150005 is a deficient number, since it is larger than the sum of its proper divisors (4512907).

12150005 is an equidigital number, since it uses as much as digits as its factorization.

12150005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347155.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 12150005 is about 3485.6857288057. The cubic root of 12150005 is about 229.8928612534.

Adding to 12150005 its reverse (50005121), we get a palindrome (62155126).

The spelling of 12150005 in words is "twelve million, one hundred fifty thousand, five".