14821000 has 32 divisors (see below), whose sum is σ = 34683480. Its totient is φ = 5928000.

The previous prime is 14820997. The next prime is 14821013. The reversal of 14821000 is 12841.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3944196 + 10876804 = 1986^2 + 3298^2 .

It is a super-3 number, since 3×14821000³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6411 + ... + 8410.

Almost surely, 2^14821000 is an apocalyptic number.

14821000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14821000 is an abundant number, since it is smaller than the sum of its proper divisors (19862480).

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

14821000 is a wasteful number, since it uses less digits than its factorization.

14821000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14842 (or 14828 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 14821000 is about 3849.8051898765. The cubic root of 14821000 is about 245.6362747794.

Adding to 14821000 its reverse (12841), we get a palindrome (14833841).

The spelling of 14821000 in words is "fourteen million, eight hundred twenty-one thousand".