12475561 has 8 divisors (see below), whose sum is σ = 14319360. Its totient is φ = 10647168.

The previous prime is 12475513. The next prime is 12475649. The reversal of 12475561 is 16557421.

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

It is a de Polignac number, because none of the positive numbers 2^k-12475561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12475861) 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, 2056 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (1789920).

Almost surely, 2^12475561 is an apocalyptic number.

It is an amenable number.

12475561 is a deficient number, since it is larger than the sum of its proper divisors (1843799).

12475561 is an equidigital number, since it uses as much as digits as its factorization.

12475561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703.

The product of its digits is 8400, while the sum is 31.

The square root of 12475561 is about 3532.0760184345. The cubic root of 12475561 is about 231.9280952849.

The spelling of 12475561 in words is "twelve million, four hundred seventy-five thousand, five hundred sixty-one".