14811021 has 6 divisors (see below), whose sum is σ = 21393710. Its totient is φ = 9874008.

The previous prime is 14811007. The next prime is 14811031. The reversal of 14811021 is 12011841.

It can be written as a sum of positive squares in only one way, i.e., 9922500 + 4888521 = 3150^2 + 2211^2 .

It is not a de Polignac number, because 14811021 - 2¹³ = 14802829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14810985 and 14811003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14811031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 822826 + ... + 822843.

Almost surely, 2^14811021 is an apocalyptic number.

It is an amenable number.

14811021 is a deficient number, since it is larger than the sum of its proper divisors (6582689).

14811021 is a wasteful number, since it uses less digits than its factorization.

14811021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645675 (or 1645672 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 14811021 is about 3848.5089320411. The cubic root of 14811021 is about 245.5811333196.

Adding to 14811021 its reverse (12011841), we get a palindrome (26822862).

The spelling of 14811021 in words is "fourteen million, eight hundred eleven thousand, twenty-one".