12745471 has 8 divisors (see below), whose sum is σ = 13240080. Its totient is φ = 12254592.

The previous prime is 12745399. The next prime is 12745483. The reversal of 12745471 is 17454721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12745471 - 2¹³ = 12737279 is a prime.

It is a super-3 number, since 3×12745471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7431 + ... + 8983.

It is an arithmetic number, because the mean of its divisors is an integer number (1655010).

Almost surely, 2^12745471 is an apocalyptic number.

12745471 is a deficient number, since it is larger than the sum of its proper divisors (494609).

12745471 is a wasteful number, since it uses less digits than its factorization.

12745471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865.

The product of its digits is 7840, while the sum is 31.

The square root of 12745471 is about 3570.0799710931. The cubic root of 12745471 is about 233.5887717343.

It can be divided in two parts, 1 and 2745471, that added together give a palindrome (2745472).

The spelling of 12745471 in words is "twelve million, seven hundred forty-five thousand, four hundred seventy-one".