14821001 has 8 divisors (see below), whose sum is σ = 16511880. Its totient is φ = 13208832.

The previous prime is 14820997. The next prime is 14821013. The reversal of 14821001 is 10012841.

It can be written as a sum of positive squares in 4 ways, for example, as 1123600 + 13697401 = 1060^2 + 3701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14821001 - 2² = 14820997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14821031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19280 + ... + 20033.

It is an arithmetic number, because the mean of its divisors is an integer number (2063985).

Almost surely, 2^14821001 is an apocalyptic number.

It is an amenable number.

14821001 is a deficient number, since it is larger than the sum of its proper divisors (1690879).

14821001 is a wasteful number, since it uses less digits than its factorization.

14821001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39355.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 14821001 is about 3849.8053197532. The cubic root of 14821001 is about 245.6362803039.

Adding to 14821001 its reverse (10012841), we get a palindrome (24833842).

The spelling of 14821001 in words is "fourteen million, eight hundred twenty-one thousand, one".