13968450 has 60 divisors (see below), whose sum is σ = 38822850. Its totient is φ = 3723840.

The previous prime is 13968443. The next prime is 13968467. The reversal of 13968450 is 5486931.

It can be written as a sum of positive squares in 3 ways, for example, as 5517801 + 8450649 = 2349^2 + 2907^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2326 + ... + 5774.

Almost surely, 2^13968450 is an apocalyptic number.

13968450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13968450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19411425).

13968450 is an abundant number, since it is smaller than the sum of its proper divisors (24854400).

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

13968450 is a wasteful number, since it uses less digits than its factorization.

13968450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473 (or 3459 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 13968450 is about 3737.4389627123. The cubic root of 13968450 is about 240.8330426543.

The spelling of 13968450 in words is "thirteen million, nine hundred sixty-eight thousand, four hundred fifty".