13970889 has 24 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 8684928.

The previous prime is 13970881. The next prime is 13970897. The reversal of 13970889 is 98807931.

13970889 is digitally balanced in base 3, because in such base 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 (13970881) and next prime (13970897).

It is not a de Polignac number, because 13970889 - 2³ = 13970881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13970881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19072 + ... + 19790.

It is an arithmetic number, because the mean of its divisors is an integer number (898560).

Almost surely, 2^13970889 is an apocalyptic number.

It is an amenable number.

13970889 is a deficient number, since it is larger than the sum of its proper divisors (7594551).

13970889 is a wasteful number, since it uses less digits than its factorization.

13970889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 13970889 is about 3737.7652414243. The cubic root of 13970889 is about 240.8470589459.

The spelling of 13970889 in words is "thirteen million, nine hundred seventy thousand, eight hundred eighty-nine".