13056471 has 20 divisors (see below), whose sum is σ = 19602000. Its totient is φ = 8660736.

The previous prime is 13056437. The next prime is 13056499. The reversal of 13056471 is 17465031.

13056471 is a `hidden beast` number, since 1 + 30 + 564 + 71 = 666.

It is not a de Polignac number, because 13056471 - 2¹⁰ = 13055447 is a prime.

It is a super-3 number, since 3×13056471³ (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056431) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28855 + ... + 29303.

It is an arithmetic number, because the mean of its divisors is an integer number (980100).

Almost surely, 2^13056471 is an apocalyptic number.

13056471 is a deficient number, since it is larger than the sum of its proper divisors (6545529).

13056471 is an equidigital number, since it uses as much as digits as its factorization.

13056471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 13056471 is about 3613.3739081363. The cubic root of 13056471 is about 235.4734442043.

It can be divided in two parts, 1305 and 6471, that added together give a 5-th power (7776 = 6⁵).

The spelling of 13056471 in words is "thirteen million, fifty-six thousand, four hundred seventy-one".