13708397 has 8 divisors (see below), whose sum is σ = 14054040. Its totient is φ = 13366080.

The previous prime is 13708393. The next prime is 13708411. The reversal of 13708397 is 79380731.

It is a happy number.

13708397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 121801 + 13586596 = 349^2 + 3686^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13708397 - 2² = 13708393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13708397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13708393) 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, 8879 + ... + 10307.

It is an arithmetic number, because the mean of its divisors is an integer number (1756755).

Almost surely, 2^13708397 is an apocalyptic number.

It is an amenable number.

13708397 is a deficient number, since it is larger than the sum of its proper divisors (345643).

13708397 is a wasteful number, since it uses less digits than its factorization.

13708397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 13708397 is about 3702.4852464257. The cubic root of 13708397 is about 239.3291276141.

The spelling of 13708397 in words is "thirteen million, seven hundred eight thousand, three hundred ninety-seven".