13253569 has 12 divisors (see below), whose sum is σ = 15506964. Its totient is φ = 11294304.

The previous prime is 13253567. The next prime is 13253573. The reversal of 13253569 is 96535231.

It is a happy number.

13253569 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13046544 + 207025 = 3612^2 + 455^2 .

It is not a de Polignac number, because 13253569 - 2¹ = 13253567 is a prime.

It is a super-2 number, since 2×13253569² = 351314182475522, which contains 22 as substring.

It is a Duffinian number.

13253569 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13253561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8967 + ... + 10339.

It is an arithmetic number, because the mean of its divisors is an integer number (1292247).

Almost surely, 2^13253569 is an apocalyptic number.

It is an amenable number.

13253569 is a deficient number, since it is larger than the sum of its proper divisors (2253395).

13253569 is a wasteful number, since it uses less digits than its factorization.

13253569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584 (or 1577 counting only the distinct ones).

The product of its digits is 24300, while the sum is 34.

The square root of 13253569 is about 3640.5451514849. The cubic root of 13253569 is about 236.6524188562.

The spelling of 13253569 in words is "thirteen million, two hundred fifty-three thousand, five hundred sixty-nine".