14447420 has 48 divisors (see below), whose sum is σ = 32960928. Its totient is φ = 5287680.

The previous prime is 14447387. The next prime is 14447437. The reversal of 14447420 is 2474441.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 14447420.

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, 46907 + ... + 47213.

It is an arithmetic number, because the mean of its divisors is an integer number (686686).

Almost surely, 2^14447420 is an apocalyptic number.

14447420 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 14447420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16480464).

14447420 is an abundant number, since it is smaller than the sum of its proper divisors (18513508).

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

14447420 is a wasteful number, since it uses less digits than its factorization.

14447420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 14447420 is about 3800.9761904016. The cubic root of 14447420 is about 243.5548409381.

The spelling of 14447420 in words is "fourteen million, four hundred forty-seven thousand, four hundred twenty".