13531706 has 8 divisors (see below), whose sum is σ = 20339424. Its totient is φ = 6751900.

The previous prime is 13531703. The next prime is 13531747. The reversal of 13531706 is 60713531.

It is a happy number.

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 (13531703) 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, 5720 + ... + 7731.

It is an arithmetic number, because the mean of its divisors is an integer number (2542428).

Almost surely, 2^13531706 is an apocalyptic number.

13531706 is a deficient number, since it is larger than the sum of its proper divisors (6807718).

13531706 is a wasteful number, since it uses less digits than its factorization.

13531706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13956.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13531706 is about 3678.5467239115. The cubic root of 13531706 is about 238.2964199709.

The spelling of 13531706 in words is "thirteen million, five hundred thirty-one thousand, seven hundred six".