13715963 has 4 divisors (see below), whose sum is σ = 14007840. Its totient is φ = 13424088.

The previous prime is 13715939. The next prime is 13715983. The reversal of 13715963 is 36951731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36951731 = 23 ⋅1606597.

It is a cyclic number.

It is not a de Polignac number, because 13715963 - 2⁶ = 13715899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13715903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145868 + ... + 145961.

It is an arithmetic number, because the mean of its divisors is an integer number (3501960).

Almost surely, 2^13715963 is an apocalyptic number.

13715963 is a deficient number, since it is larger than the sum of its proper divisors (291877).

13715963 is an equidigital number, since it uses as much as digits as its factorization.

13715963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291876.

The product of its digits is 17010, while the sum is 35.

The square root of 13715963 is about 3703.5068516205. The cubic root of 13715963 is about 239.3731500515.

The spelling of 13715963 in words is "thirteen million, seven hundred fifteen thousand, nine hundred sixty-three".