13575542 has 4 divisors (see below), whose sum is σ = 20363316. Its totient is φ = 6787770.

The previous prime is 13575533. The next prime is 13575547. The reversal of 13575542 is 24557531.

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

It is a junction number, because it is equal to n+sod(n) for n = 13575499 and 13575508.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 3393884 + ... + 3393887.

It is an arithmetic number, because the mean of its divisors is an integer number (5090829).

Almost surely, 2^13575542 is an apocalyptic number.

13575542 is a deficient number, since it is larger than the sum of its proper divisors (6787774).

13575542 is an equidigital number, since it uses as much as digits as its factorization.

13575542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787773.

The product of its digits is 21000, while the sum is 32.

The square root of 13575542 is about 3684.5002374813. The cubic root of 13575542 is about 238.5534632492.

The spelling of 13575542 in words is "thirteen million, five hundred seventy-five thousand, five hundred forty-two".