13014821 has 2 divisors, whose sum is σ = 13014822. Its totient is φ = 13014820.

The previous prime is 13014779. The next prime is 13014893. The reversal of 13014821 is 12841031.

13014821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11826721 + 1188100 = 3439^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 13014821 - 2¹⁴ = 12998437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13014793 and 13014802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13044821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6507410 + 6507411.

It is an arithmetic number, because the mean of its divisors is an integer number (6507411).

Almost surely, 2^13014821 is an apocalyptic number.

It is an amenable number.

13014821 is a deficient number, since it is larger than the sum of its proper divisors (1).

13014821 is an equidigital number, since it uses as much as digits as its factorization.

13014821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 13014821 is about 3607.6059928989. The cubic root of 13014821 is about 235.2227915829. Note that the first 3 decimals are identical.

Adding to 13014821 its reverse (12841031), we get a palindrome (25855852).

The spelling of 13014821 in words is "thirteen million, fourteen thousand, eight hundred twenty-one".