12153071 has 4 divisors (see below), whose sum is σ = 13889232. Its totient is φ = 10416912.

The previous prime is 12153061. The next prime is 12153101. The reversal of 12153071 is 17035121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17035121 = 829 ⋅20549.

It is a cyclic number.

It is not a de Polignac number, because 12153071 - 2¹⁰ = 12152047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153041) 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, 868070 + ... + 868083.

It is an arithmetic number, because the mean of its divisors is an integer number (3472308).

Almost surely, 2^12153071 is an apocalyptic number.

12153071 is a deficient number, since it is larger than the sum of its proper divisors (1736161).

12153071 is an equidigital number, since it uses as much as digits as its factorization.

12153071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736160.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 12153071 is about 3486.1254997490. The cubic root of 12153071 is about 229.9121971092.

Adding to 12153071 its reverse (17035121), we get a palindrome (29188192).

The spelling of 12153071 in words is "twelve million, one hundred fifty-three thousand, seventy-one".