13688741 has 8 divisors (see below), whose sum is σ = 15138624. Its totient is φ = 12273120.

The previous prime is 13688699. The next prime is 13688761. The reversal of 13688741 is 14788631.

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 13688741 - 2⁶ = 13688677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13688695 and 13688704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13688761) 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, 7721 + ... + 9326.

It is an arithmetic number, because the mean of its divisors is an integer number (1892328).

Almost surely, 2^13688741 is an apocalyptic number.

13688741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13688741 is a deficient number, since it is larger than the sum of its proper divisors (1449883).

13688741 is a wasteful number, since it uses less digits than its factorization.

13688741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17131.

The product of its digits is 32256, while the sum is 38.

The square root of 13688741 is about 3699.8298609531. The cubic root of 13688741 is about 239.2146842903.

The spelling of 13688741 in words is "thirteen million, six hundred eighty-eight thousand, seven hundred forty-one".