12153647 has 4 divisors (see below), whose sum is σ = 13258536. Its totient is φ = 11048760.

The previous prime is 12153619. The next prime is 12153653. The reversal of 12153647 is 74635121.

12153647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12153647 - 2²⁰ = 11105071 is a prime.

It is a super-2 number, since 2×12153647² = 295422270801218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153677) 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, 552428 + ... + 552449.

It is an arithmetic number, because the mean of its divisors is an integer number (3314634).

Almost surely, 2^12153647 is an apocalyptic number.

12153647 is a deficient number, since it is larger than the sum of its proper divisors (1104889).

12153647 is a wasteful number, since it uses less digits than its factorization.

12153647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104888.

The product of its digits is 5040, while the sum is 29.

The square root of 12153647 is about 3486.2081119750. The cubic root of 12153647 is about 229.9158293141.

Adding to 12153647 its reverse (74635121), we get a palindrome (86788768).

The spelling of 12153647 in words is "twelve million, one hundred fifty-three thousand, six hundred forty-seven".