13954440 has 64 divisors (see below), whose sum is σ = 42307200. Its totient is φ = 3681792.

The previous prime is 13954397. The next prime is 13954453. The reversal of 13954440 is 4445931.

13954440 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 a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13954398 and 13954407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11796 + ... + 12924.

It is an arithmetic number, because the mean of its divisors is an integer number (661050).

Almost surely, 2^13954440 is an apocalyptic number.

13954440 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 13954440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21153600).

13954440 is an abundant number, since it is smaller than the sum of its proper divisors (28352760).

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

13954440 is a wasteful number, since it uses less digits than its factorization.

13954440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 13954440 is about 3735.5642144126. The cubic root of 13954440 is about 240.7524992489.

The spelling of 13954440 in words is "thirteen million, nine hundred fifty-four thousand, four hundred forty".