13581069 has 8 divisors (see below), whose sum is σ = 18692352. Its totient is φ = 8761920.

The previous prime is 13581053. The next prime is 13581083. The reversal of 13581069 is 96018531.

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

It is not a de Polignac number, because 13581069 - 2⁴ = 13581053 is a prime.

It is a super-2 number, since 2×13581069² = 368890870365522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13581089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72924 + ... + 73109.

It is an arithmetic number, because the mean of its divisors is an integer number (2336544).

Almost surely, 2^13581069 is an apocalyptic number.

It is an amenable number.

13581069 is a deficient number, since it is larger than the sum of its proper divisors (5111283).

13581069 is a wasteful number, since it uses less digits than its factorization.

13581069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146067.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 13581069 is about 3685.2501950343. The cubic root of 13581069 is about 238.5858328862.

The spelling of 13581069 in words is "thirteen million, five hundred eighty-one thousand, sixty-nine".