14781648 has 160 divisors (see below), whose sum is σ = 47496960. Its totient is φ = 3870720.

The previous prime is 14781631. The next prime is 14781667. The reversal of 14781648 is 84618741.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360508 + ... + 360548.

It is an arithmetic number, because the mean of its divisors is an integer number (296856).

Almost surely, 2^14781648 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 14781648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23748480).

14781648 is an abundant number, since it is smaller than the sum of its proper divisors (32715312).

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

14781648 is a wasteful number, since it uses less digits than its factorization.

14781648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 119 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 14781648 is about 3844.6908848437. The cubic root of 14781648 is about 245.4186815789.

The spelling of 14781648 in words is "fourteen million, seven hundred eighty-one thousand, six hundred forty-eight".