12328947 has 6 divisors (see below), whose sum is σ = 17808492. Its totient is φ = 8219292.

The previous prime is 12328933. The next prime is 12328951. The reversal of 12328947 is 74982321.

It is not a de Polignac number, because 12328947 - 2⁸ = 12328691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12328907) 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, 684933 + ... + 684950.

It is an arithmetic number, because the mean of its divisors is an integer number (2968082).

Almost surely, 2^12328947 is an apocalyptic number.

12328947 is a deficient number, since it is larger than the sum of its proper divisors (5479545).

12328947 is a wasteful number, since it uses less digits than its factorization.

12328947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369889 (or 1369886 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 12328947 is about 3511.2600302456. The cubic root of 12328947 is about 231.0159656138.

The spelling of 12328947 in words is "twelve million, three hundred twenty-eight thousand, nine hundred forty-seven".