13575541 has 4 divisors (see below), whose sum is σ = 15514912. Its totient is φ = 11636172.

The previous prime is 13575533. The next prime is 13575547. The reversal of 13575541 is 14557531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14557531 = 677 ⋅21503.

It is a cyclic number.

It is not a de Polignac number, because 13575541 - 2³ = 13575533 is a prime.

It is the 3685-th Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13575547) by changing a digit.

It is a nontrivial repunit in base 3684.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969675 + ... + 969688.

It is an arithmetic number, because the mean of its divisors is an integer number (3878728).

Almost surely, 2^13575541 is an apocalyptic number.

It is an amenable number.

13575541 is a deficient number, since it is larger than the sum of its proper divisors (1939371).

13575541 is an equidigital number, since it uses as much as digits as its factorization.

13575541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939370.

The product of its digits is 10500, while the sum is 31.

The square root of 13575541 is about 3684.5001017777. The cubic root of 13575541 is about 238.5534573918.

The spelling of 13575541 in words is "thirteen million, five hundred seventy-five thousand, five hundred forty-one".