13545005 has 16 divisors (see below), whose sum is σ = 18118080. Its totient is φ = 9660672.

The previous prime is 13544987. The next prime is 13545011. The reversal of 13545005 is 50054531.

It is a cyclic number.

It is not a de Polignac number, because 13545005 - 2¹⁶ = 13479469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2579 + ... + 5808.

It is an arithmetic number, because the mean of its divisors is an integer number (1132380).

Almost surely, 2^13545005 is an apocalyptic number.

It is an amenable number.

13545005 is a deficient number, since it is larger than the sum of its proper divisors (4573075).

13545005 is a wasteful number, since it uses less digits than its factorization.

13545005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8428.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 13545005 is about 3680.3539231981. The cubic root of 13545005 is about 238.3744605484.

Adding to 13545005 its reverse (50054531), we get a palindrome (63599536).

The spelling of 13545005 in words is "thirteen million, five hundred forty-five thousand, five".