13741569 has 10 divisors (see below), whose sum is σ = 20527650. Its totient is φ = 9160992.

The previous prime is 13741561. The next prime is 13741583. The reversal of 13741569 is 96514731.

It can be written as a sum of positive squares in only one way, i.e., 10969344 + 2772225 = 3312^2 + 1665^2 .

It is not a de Polignac number, because 13741569 - 2³ = 13741561 is a prime.

It is a super-4 number, since 4×13741569⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13741561) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 84744 + ... + 84905.

It is an arithmetic number, because the mean of its divisors is an integer number (2052765).

Almost surely, 2^13741569 is an apocalyptic number.

It is an amenable number.

13741569 is a deficient number, since it is larger than the sum of its proper divisors (6786081).

13741569 is an equidigital number, since it uses as much as digits as its factorization.

13741569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169661 (or 169652 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 13741569 is about 3706.9622334197. The cubic root of 13741569 is about 239.5220174347.

The spelling of 13741569 in words is "thirteen million, seven hundred forty-one thousand, five hundred sixty-nine".