9712545 has 8 divisors (see below), whose sum is σ = 15540096. Its totient is φ = 5180016.

The previous prime is 9712543. The next prime is 9712561. The reversal of 9712545 is 5452179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9712545 - 2¹ = 9712543 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9712543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323737 + ... + 323766.

It is an arithmetic number, because the mean of its divisors is an integer number (1942512).

Almost surely, 2^9712545 is an apocalyptic number.

It is an amenable number.

9712545 is a deficient number, since it is larger than the sum of its proper divisors (5827551).

9712545 is a wasteful number, since it uses less digits than its factorization.

9712545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647511.

The product of its digits is 12600, while the sum is 33.

The square root of 9712545 is about 3116.4956281054. The cubic root of 9712545 is about 213.3590233277.

The spelling of 9712545 in words is "nine million, seven hundred twelve thousand, five hundred forty-five".