12545127 has 18 divisors (see below), whose sum is σ = 21079968. Its totient is φ = 7168392.

The previous prime is 12545089. The next prime is 12545129. The reversal of 12545127 is 72154521.

It is not a de Polignac number, because 12545127 - 2⁶ = 12545063 is a prime.

It is a super-2 number, since 2×12545127² = 314760422892258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12545127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545129) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13783 + ... + 14664.

Almost surely, 2^12545127 is an apocalyptic number.

12545127 is a deficient number, since it is larger than the sum of its proper divisors (8534841).

12545127 is a wasteful number, since it uses less digits than its factorization.

12545127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28467 (or 28457 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 12545127 is about 3541.9100779099. The cubic root of 12545127 is about 232.3583875754.

Adding to 12545127 its reverse (72154521), we get a palindrome (84699648).

The spelling of 12545127 in words is "twelve million, five hundred forty-five thousand, one hundred twenty-seven".