13568474 has 8 divisors (see below), whose sum is σ = 20686548. Its totient is φ = 6672960.

The previous prime is 13568473. The next prime is 13568497. The reversal of 13568474 is 47486531.

It can be written as a sum of positive squares in 2 ways, for example, as 13271449 + 297025 = 3643^2 + 545^2 .

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

It is a super-3 number, since 3×13568474³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13568473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55487 + ... + 55730.

Almost surely, 2^13568474 is an apocalyptic number.

13568474 is a deficient number, since it is larger than the sum of its proper divisors (7118074).

13568474 is a wasteful number, since it uses less digits than its factorization.

13568474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111280.

The product of its digits is 80640, while the sum is 38.

The square root of 13568474 is about 3683.5409594574. The cubic root of 13568474 is about 238.5120557292.

The spelling of 13568474 in words is "thirteen million, five hundred sixty-eight thousand, four hundred seventy-four".