13715643 has 8 divisors (see below), whose sum is σ = 18308368. Its totient is φ = 9133344.

The previous prime is 13715629. The next prime is 13715657. The reversal of 13715643 is 34651731.

13715643 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13715629) and next prime (13715657).

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

It is not a de Polignac number, because 13715643 - 2⁴ = 13715627 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 13715643.

It is not an unprimeable number, because it can be changed into a prime (13715683) 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, 1305 + ... + 5397.

It is an arithmetic number, because the mean of its divisors is an integer number (2288546).

Almost surely, 2^13715643 is an apocalyptic number.

13715643 is a deficient number, since it is larger than the sum of its proper divisors (4592725).

13715643 is a wasteful number, since it uses less digits than its factorization.

13715643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213.

The product of its digits is 7560, while the sum is 30.

The square root of 13715643 is about 3703.4636490723. The cubic root of 13715643 is about 239.3712884735.

The spelling of 13715643 in words is "thirteen million, seven hundred fifteen thousand, six hundred forty-three".