12152247 has 8 divisors (see below), whose sum is σ = 16761840. Its totient is φ = 7822080.

The previous prime is 12152233. The next prime is 12152251. The reversal of 12152247 is 74225121.

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

It is not a de Polignac number, because 12152247 - 2²⁰ = 11103671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152227) 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, 69754 + ... + 69927.

It is an arithmetic number, because the mean of its divisors is an integer number (2095230).

Almost surely, 2^12152247 is an apocalyptic number.

12152247 is a deficient number, since it is larger than the sum of its proper divisors (4609593).

12152247 is a wasteful number, since it uses less digits than its factorization.

12152247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139713.

The product of its digits is 1120, while the sum is 24.

The square root of 12152247 is about 3486.0073149665. The cubic root of 12152247 is about 229.9070008387.

Adding to 12152247 its reverse (74225121), we get a palindrome (86377368).

The spelling of 12152247 in words is "twelve million, one hundred fifty-two thousand, two hundred forty-seven".