13536506 has 8 divisors (see below), whose sum is σ = 20323764. Its totient is φ = 6761920.

The previous prime is 13536503. The next prime is 13536511. The reversal of 13536506 is 60563531.

It can be written as a sum of positive squares in 2 ways, for example, as 13388281 + 148225 = 3659^2 + 385^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13536503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 5208.

Almost surely, 2^13536506 is an apocalyptic number.

13536506 is a deficient number, since it is larger than the sum of its proper divisors (6787258).

13536506 is a wasteful number, since it uses less digits than its factorization.

13536506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 13536506 is about 3679.1990976298. The cubic root of 13536506 is about 238.3245930038.

The spelling of 13536506 in words is "thirteen million, five hundred thirty-six thousand, five hundred six".