12527997 has 16 divisors (see below), whose sum is σ = 17980992. Its totient is φ = 7729920.

The previous prime is 12527987. The next prime is 12528037. The reversal of 12527997 is 79972521.

It is not a de Polignac number, because 12527997 - 2⁷ = 12527869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12527927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (1123812).

Almost surely, 2^12527997 is an apocalyptic number.

12527997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12527997 is a deficient number, since it is larger than the sum of its proper divisors (5452995).

12527997 is a wasteful number, since it uses less digits than its factorization.

12527997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108.

The product of its digits is 79380, while the sum is 42.

The square root of 12527997 is about 3539.4910651109. The cubic root of 12527997 is about 232.2525798990.

The spelling of 12527997 in words is "twelve million, five hundred twenty-seven thousand, nine hundred ninety-seven".