12317148 has 18 divisors (see below), whose sum is σ = 31135104. Its totient is φ = 4105704.

The previous prime is 12317119. The next prime is 12317153. The reversal of 12317148 is 84171321.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171036 + ... + 171107.

It is an arithmetic number, because the mean of its divisors is an integer number (1729728).

Almost surely, 2^12317148 is an apocalyptic number.

12317148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12317148 is an abundant number, since it is smaller than the sum of its proper divisors (18817956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12317148 is a wasteful number, since it uses less digits than its factorization.

12317148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342153 (or 342148 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 12317148 is about 3509.5794619869. The cubic root of 12317148 is about 230.9422467641.

Adding to 12317148 its reverse (84171321), we get a palindrome (96488469).

It can be divided in two parts, 123 and 17148, that added together give a palindrome (17271).

The spelling of 12317148 in words is "twelve million, three hundred seventeen thousand, one hundred forty-eight".