13688603 has 8 divisors (see below), whose sum is σ = 13871520. Its totient is φ = 13507200.

The previous prime is 13688599. The next prime is 13688627. The reversal of 13688603 is 30688631.

It is a happy number.

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 13688603 - 2² = 13688599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13688693) 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, 40451 + ... + 40787.

It is an arithmetic number, because the mean of its divisors is an integer number (1733940).

Almost surely, 2^13688603 is an apocalyptic number.

13688603 is a deficient number, since it is larger than the sum of its proper divisors (182917).

13688603 is a wasteful number, since it uses less digits than its factorization.

13688603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 13688603 is about 3699.8112113998. The cubic root of 13688603 is about 239.2138804244.

The spelling of 13688603 in words is "thirteen million, six hundred eighty-eight thousand, six hundred three".