13574789 has 4 divisors (see below), whose sum is σ = 14373324. Its totient is φ = 12776256.

The previous prime is 13574783. The next prime is 13574801. The reversal of 13574789 is 98747531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5678689 + 7896100 = 2383^2 + 2810^2 .

It is a cyclic number.

It is not a de Polignac number, because 13574789 - 2¹⁶ = 13509253 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13574783) 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, 399242 + ... + 399275.

It is an arithmetic number, because the mean of its divisors is an integer number (3593331).

Almost surely, 2^13574789 is an apocalyptic number.

It is an amenable number.

13574789 is a deficient number, since it is larger than the sum of its proper divisors (798535).

13574789 is an equidigital number, since it uses as much as digits as its factorization.

13574789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798534.

The product of its digits is 211680, while the sum is 44.

The square root of 13574789 is about 3684.3980512426. The cubic root of 13574789 is about 238.5490525210.

The spelling of 13574789 in words is "thirteen million, five hundred seventy-four thousand, seven hundred eighty-nine".