12570471 has 10 divisors (see below), whose sum is σ = 18778232. Its totient is φ = 8380260.

The previous prime is 12570461. The next prime is 12570499. The reversal of 12570471 is 17407521.

12570471 is a `hidden beast` number, since 125 + 70 + 471 = 666.

It is not a de Polignac number, because 12570471 - 2¹⁵ = 12537703 is a prime.

It is a super-3 number, since 3×12570471³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12570421) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 77515 + ... + 77676.

Almost surely, 2^12570471 is an apocalyptic number.

12570471 is a deficient number, since it is larger than the sum of its proper divisors (6207761).

12570471 is an equidigital number, since it uses as much as digits as its factorization.

12570471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155203 (or 155194 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 12570471 is about 3545.4860033569. The cubic root of 12570471 is about 232.5147545267.

Adding to 12570471 its reverse (17407521), we get a palindrome (29977992).

It can be divided in two parts, 12570 and 471, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12570471 in words is "twelve million, five hundred seventy thousand, four hundred seventy-one".