13708919 has 8 divisors (see below), whose sum is σ = 16589088. Its totient is φ = 11059200.

The previous prime is 13708901. The next prime is 13708921. The reversal of 13708919 is 91980731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13708919 is a prime.

It is a super-2 number, since 2×13708919² = 375868920297122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13708939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57482 + ... + 57719.

It is an arithmetic number, because the mean of its divisors is an integer number (2073636).

Almost surely, 2^13708919 is an apocalyptic number.

13708919 is a deficient number, since it is larger than the sum of its proper divisors (2880169).

13708919 is a wasteful number, since it uses less digits than its factorization.

13708919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115225.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 13708919 is about 3702.5557389457. Note that the first 3 decimals coincide. The cubic root of 13708919 is about 239.3321653682.

The spelling of 13708919 in words is "thirteen million, seven hundred eight thousand, nine hundred nineteen".