13954689 has 24 divisors (see below), whose sum is σ = 23137920. Its totient is φ = 7939008.

The previous prime is 13954679. The next prime is 13954691. The reversal of 13954689 is 98645931.

It is a happy number.

13954689 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 not a de Polignac number, because 13954689 - 2⁷ = 13954561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13954649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22309 + ... + 22925.

It is an arithmetic number, because the mean of its divisors is an integer number (964080).

Almost surely, 2^13954689 is an apocalyptic number.

It is an amenable number.

13954689 is a deficient number, since it is larger than the sum of its proper divisors (9183231).

13954689 is a wasteful number, since it uses less digits than its factorization.

13954689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 986 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 13954689 is about 3735.5975425626. The cubic root of 13954689 is about 240.7539312188.

It can be divided in two parts, 1395 and 4689, that added together give a square (6084 = 78²).

The spelling of 13954689 in words is "thirteen million, nine hundred fifty-four thousand, six hundred eighty-nine".