12512545 has 8 divisors (see below), whose sum is σ = 15805440. Its totient is φ = 9483120.

The previous prime is 12512531. The next prime is 12512557. The reversal of 12512545 is 54521521.

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

It is not a de Polignac number, because 12512545 - 2⁷ = 12512417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65761 + ... + 65950.

It is an arithmetic number, because the mean of its divisors is an integer number (1975680).

Almost surely, 2^12512545 is an apocalyptic number.

It is an amenable number.

12512545 is a deficient number, since it is larger than the sum of its proper divisors (3292895).

12512545 is a wasteful number, since it uses less digits than its factorization.

12512545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131735.

The product of its digits is 2000, while the sum is 25.

The square root of 12512545 is about 3537.3075919405. The cubic root of 12512545 is about 232.1570540317.

The spelling of 12512545 in words is "twelve million, five hundred twelve thousand, five hundred forty-five".