12152347 has 4 divisors (see below), whose sum is σ = 12160816. Its totient is φ = 12143880.

The previous prime is 12152323. The next prime is 12152351. The reversal of 12152347 is 74325121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12152347 - 2¹⁹ = 11628059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12152047) 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, 1488 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (3040204).

Almost surely, 2^12152347 is an apocalyptic number.

12152347 is a deficient number, since it is larger than the sum of its proper divisors (8469).

12152347 is an equidigital number, since it uses as much as digits as its factorization.

12152347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8468.

The product of its digits is 1680, while the sum is 25.

The square root of 12152347 is about 3486.0216579935. The cubic root of 12152347 is about 229.9076314666.

Adding to 12152347 its reverse (74325121), we get a palindrome (86477468).

The spelling of 12152347 in words is "twelve million, one hundred fifty-two thousand, three hundred forty-seven".