12570099 has 4 divisors (see below), whose sum is σ = 16760136. Its totient is φ = 8380064.

The previous prime is 12570073. The next prime is 12570119. The reversal of 12570099 is 99007521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12570099 - 2⁷ = 12569971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12570199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2095014 + ... + 2095019.

It is an arithmetic number, because the mean of its divisors is an integer number (4190034).

Almost surely, 2^12570099 is an apocalyptic number.

12570099 is a deficient number, since it is larger than the sum of its proper divisors (4190037).

12570099 is an equidigital number, since it uses as much as digits as its factorization.

12570099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190036.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 12570099 is about 3545.4335418958. The cubic root of 12570099 is about 232.5124608884.

The spelling of 12570099 in words is "twelve million, five hundred seventy thousand, ninety-nine".