12538075 has 24 divisors (see below), whose sum is σ = 17141760. Its totient is φ = 9021600.

The previous prime is 12538073. The next prime is 12538109. The reversal of 12538075 is 57083521.

It is not a de Polignac number, because 12538075 - 2¹ = 12538073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12538073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34746 + ... + 35104.

It is an arithmetic number, because the mean of its divisors is an integer number (714240).

Almost surely, 2^12538075 is an apocalyptic number.

12538075 is a deficient number, since it is larger than the sum of its proper divisors (4603685).

12538075 is a wasteful number, since it uses less digits than its factorization.

12538075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 502 counting only the distinct ones).

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

The square root of 12538075 is about 3540.9144299178. The cubic root of 12538075 is about 232.3148408267.

The spelling of 12538075 in words is "twelve million, five hundred thirty-eight thousand, seventy-five".