13527545 has 4 divisors (see below), whose sum is σ = 16233060. Its totient is φ = 10822032.

The previous prime is 13527511. The next prime is 13527551. The reversal of 13527545 is 54572531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54572531 = 13 ⋅4197887.

It can be written as a sum of positive squares in 2 ways, for example, as 3892729 + 9634816 = 1973^2 + 3104^2 .

It is a cyclic number.

It is not a de Polignac number, because 13527545 - 2¹⁰ = 13526521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352750 + ... + 1352759.

It is an arithmetic number, because the mean of its divisors is an integer number (4058265).

Almost surely, 2^13527545 is an apocalyptic number.

It is an amenable number.

13527545 is a deficient number, since it is larger than the sum of its proper divisors (2705515).

13527545 is an equidigital number, since it uses as much as digits as its factorization.

13527545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705514.

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

The square root of 13527545 is about 3677.9811038123. The cubic root of 13527545 is about 238.2719920814.

The spelling of 13527545 in words is "thirteen million, five hundred twenty-seven thousand, five hundred forty-five".