13674557 has 4 divisors (see below), whose sum is σ = 14726460. Its totient is φ = 12622656.

The previous prime is 13674541. The next prime is 13674569. The reversal of 13674557 is 75547631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75547631 = 53 ⋅1425427.

It can be written as a sum of positive squares in 2 ways, for example, as 1466521 + 12208036 = 1211^2 + 3494^2 .

It is a cyclic number.

It is not a de Polignac number, because 13674557 - 2⁴ = 13674541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13674557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13674587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525932 + ... + 525957.

It is an arithmetic number, because the mean of its divisors is an integer number (3681615).

Almost surely, 2^13674557 is an apocalyptic number.

It is an amenable number.

13674557 is a deficient number, since it is larger than the sum of its proper divisors (1051903).

13674557 is a wasteful number, since it uses less digits than its factorization.

13674557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051902.

The product of its digits is 88200, while the sum is 38.

The square root of 13674557 is about 3697.9125192465. The cubic root of 13674557 is about 239.1320325772.

The spelling of 13674557 in words is "thirteen million, six hundred seventy-four thousand, five hundred fifty-seven".