13954220 has 72 divisors (see below), whose sum is σ = 35335440. Its totient is φ = 4609920.

The previous prime is 13954219. The next prime is 13954223. The reversal of 13954220 is 2245931.

It is a self number, because there is not a number n which added to its sum of digits gives 13954220.

It is not an unprimeable number, because it can be changed into a prime (13954223) 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, 28175 + ... + 28665.

It is an arithmetic number, because the mean of its divisors is an integer number (490770).

Almost surely, 2^13954220 is an apocalyptic number.

13954220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13954220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17667720).

13954220 is an abundant number, since it is smaller than the sum of its proper divisors (21381220).

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

13954220 is a wasteful number, since it uses less digits than its factorization.

13954220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13954220 is about 3735.5347676069. The cubic root of 13954220 is about 240.7512340404.

The spelling of 13954220 in words is "thirteen million, nine hundred fifty-four thousand, two hundred twenty".