13954668 has 72 divisors (see below), whose sum is σ = 40336128. Its totient is φ = 3676608.

The previous prime is 13954667. The next prime is 13954679. The reversal of 13954668 is 86645931.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13954663) 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, 13705 + ... + 14687.

It is an arithmetic number, because the mean of its divisors is an integer number (560224).

Almost surely, 2^13954668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13954668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20168064).

13954668 is an abundant number, since it is smaller than the sum of its proper divisors (26381460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13954668 is a wasteful number, since it uses less digits than its factorization.

13954668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1008 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 13954668 is about 3735.5947317663. The cubic root of 13954668 is about 240.7538104509.

The spelling of 13954668 in words is "thirteen million, nine hundred fifty-four thousand, six hundred sixty-eight".