13808966 has 4 divisors (see below), whose sum is σ = 20713452. Its totient is φ = 6904482.

The previous prime is 13808941. The next prime is 13808969. The reversal of 13808966 is 66980831.

It is a happy number.

13808966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66980831 = 3709 ⋅18059.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13808969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3452240 + ... + 3452243.

It is an arithmetic number, because the mean of its divisors is an integer number (5178363).

Almost surely, 2^13808966 is an apocalyptic number.

13808966 is a deficient number, since it is larger than the sum of its proper divisors (6904486).

13808966 is an equidigital number, since it uses as much as digits as its factorization.

13808966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6904485.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 13808966 is about 3716.0417112837. The cubic root of 13808966 is about 239.9129661269.

The spelling of 13808966 in words is "thirteen million, eight hundred eight thousand, nine hundred sixty-six".