13574 has 8 divisors (see below), whose sum is σ = 22248. Its totient is φ = 6160.

The previous prime is 13567. The next prime is 13577. The reversal of 13574 is 47531.

It is a happy number.

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

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287 + ... + 330.

It is an arithmetic number, because the mean of its divisors is an integer number (2781).

2¹³⁵⁷⁴ is an apocalyptic number.

13574 is a deficient number, since it is larger than the sum of its proper divisors (8674).

13574 is a wasteful number, since it uses less digits than its factorization.

13574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its digits is 420, while the sum is 20.

The square root of 13574 is about 116.5075104875. The cubic root of 13574 is about 23.8544430746.

The spelling of 13574 in words is "thirteen thousand, five hundred seventy-four".