12153017 has 4 divisors (see below), whose sum is σ = 12216180. Its totient is φ = 12089856.

The previous prime is 12153013. The next prime is 12153019. The reversal of 12153017 is 71035121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71035121 = 157 ⋅452453.

It can be written as a sum of positive squares in 2 ways, for example, as 4857616 + 7295401 = 2204^2 + 2701^2 .

It is a cyclic number.

It is not a de Polignac number, because 12153017 - 2² = 12153013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12153017.

It is not an unprimeable number, because it can be changed into a prime (12153013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31292 + ... + 31677.

It is an arithmetic number, because the mean of its divisors is an integer number (3054045).

Almost surely, 2^12153017 is an apocalyptic number.

It is an amenable number.

12153017 is a deficient number, since it is larger than the sum of its proper divisors (63163).

12153017 is an equidigital number, since it uses as much as digits as its factorization.

12153017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63162.

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

The square root of 12153017 is about 3486.1177547524. The cubic root of 12153017 is about 229.9118565841.

Adding to 12153017 its reverse (71035121), we get a palindrome (83188138).

The spelling of 12153017 in words is "twelve million, one hundred fifty-three thousand, seventeen".