12538537 has 16 divisors (see below), whose sum is σ = 15249600. Its totient is φ = 10160640.

The previous prime is 12538517. The next prime is 12538541. The reversal of 12538537 is 73583521.

It is a cyclic number.

It is not a de Polignac number, because 12538537 - 2¹⁵ = 12505769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12538517) 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, 1789 + ... + 5317.

It is an arithmetic number, because the mean of its divisors is an integer number (953100).

Almost surely, 2^12538537 is an apocalyptic number.

12538537 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12538537 is a deficient number, since it is larger than the sum of its proper divisors (2711063).

12538537 is a wasteful number, since it uses less digits than its factorization.

12538537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576.

The product of its digits is 25200, while the sum is 34.

The square root of 12538537 is about 3540.9796667024. The cubic root of 12538537 is about 232.3176942189.

The spelling of 12538537 in words is "twelve million, five hundred thirty-eight thousand, five hundred thirty-seven".