13708513 has 16 divisors (see below), whose sum is σ = 16979200. Its totient is φ = 10777536.

The previous prime is 13708489. The next prime is 13708517. The reversal of 13708513 is 31580731.

It is a de Polignac number, because none of the positive numbers 2^k-13708513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13708517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17731 + ... + 18487.

It is an arithmetic number, because the mean of its divisors is an integer number (1061200).

Almost surely, 2^13708513 is an apocalyptic number.

13708513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13708513 is a deficient number, since it is larger than the sum of its proper divisors (3270687).

13708513 is a wasteful number, since it uses less digits than its factorization.

13708513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 13708513 is about 3702.5009115461. The cubic root of 13708513 is about 239.3298026772.

The spelling of 13708513 in words is "thirteen million, seven hundred eight thousand, five hundred thirteen".