14987812 has 72 divisors (see below), whose sum is σ = 34038144. Its totient is φ = 5626368.

The previous prime is 14987803. The next prime is 14987813. The reversal of 14987812 is 21878941.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (14987813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405058 + ... + 405094.

It is an arithmetic number, because the mean of its divisors is an integer number (472752).

Almost surely, 2^14987812 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 14987812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17019072).

14987812 is an abundant number, since it is smaller than the sum of its proper divisors (19050332).

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

14987812 is a wasteful number, since it uses less digits than its factorization.

14987812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 86 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The square root of 14987812 is about 3871.4095624204. The cubic root of 14987812 is about 246.5543933496.

The spelling of 14987812 in words is "fourteen million, nine hundred eighty-seven thousand, eight hundred twelve".