12570811 has 12 divisors (see below), whose sum is σ = 14421456. Its totient is φ = 10928720.

The previous prime is 12570809. The next prime is 12570823. The reversal of 12570811 is 11807521.

12570811 = T₁₀₃₄ + T₁₀₃₅ + ... + T₁₀₅₆.

It is not a de Polignac number, because 12570811 - 2¹ = 12570809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12570881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (1201788).

Almost surely, 2^12570811 is an apocalyptic number.

12570811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12570811 is a deficient number, since it is larger than the sum of its proper divisors (1850645).

12570811 is a wasteful number, since it uses less digits than its factorization.

12570811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562 (or 4551 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 12570811 is about 3545.5339513252. The cubic root of 12570811 is about 232.5168508232.

The spelling of 12570811 in words is "twelve million, five hundred seventy thousand, eight hundred eleven".