14915920 has 40 divisors (see below), whose sum is σ = 35426304. Its totient is φ = 5837952.

The previous prime is 14915917. The next prime is 14915933. The reversal of 14915920 is 2951941.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777 + ... + 5743.

Almost surely, 2^14915920 is an apocalyptic number.

14915920 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 14915920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17713152).

14915920 is an abundant number, since it is smaller than the sum of its proper divisors (20510384).

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

14915920 is a wasteful number, since it uses less digits than its factorization.

14915920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 14915920 is about 3862.1134110743. The cubic root of 14915920 is about 246.1595457414.

The spelling of 14915920 in words is "fourteen million, nine hundred fifteen thousand, nine hundred twenty".