12570211 has 4 divisors (see below), whose sum is σ = 12602272. Its totient is φ = 12538152.

The previous prime is 12570203. The next prime is 12570227. The reversal of 12570211 is 11207521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11207521 = 13 ⋅862117.

It is a cyclic number.

It is not a de Polignac number, because 12570211 - 2³ = 12570203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12570241) 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, 15435 + ... + 16228.

It is an arithmetic number, because the mean of its divisors is an integer number (3150568).

Almost surely, 2^12570211 is an apocalyptic number.

12570211 is a deficient number, since it is larger than the sum of its proper divisors (32061).

12570211 is an equidigital number, since it uses as much as digits as its factorization.

12570211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32060.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 12570211 is about 3545.4493368260. The cubic root of 12570211 is about 232.5131514509.

Adding to 12570211 its reverse (11207521), we get a palindrome (23777732).

The spelling of 12570211 in words is "twelve million, five hundred seventy thousand, two hundred eleven".