12328137 has 6 divisors (see below), whose sum is σ = 17807322. Its totient is φ = 8218752.

The previous prime is 12328133. The next prime is 12328139. The reversal of 12328137 is 73182321.

12328137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11048976 + 1279161 = 3324^2 + 1131^2 .

It is not a de Polignac number, because 12328137 - 2² = 12328133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12328137.

It is not an unprimeable number, because it can be changed into a prime (12328133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 684888 + ... + 684905.

It is an arithmetic number, because the mean of its divisors is an integer number (2967887).

Almost surely, 2^12328137 is an apocalyptic number.

It is an amenable number.

12328137 is a deficient number, since it is larger than the sum of its proper divisors (5479185).

12328137 is a wasteful number, since it uses less digits than its factorization.

12328137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369799 (or 1369796 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12328137 is about 3511.1446851419. The cubic root of 12328137 is about 231.0109063271.

The spelling of 12328137 in words is "twelve million, three hundred twenty-eight thousand, one hundred thirty-seven".