13795021 has 2 divisors, whose sum is σ = 13795022. Its totient is φ = 13795020.

The previous prime is 13794971. The next prime is 13795037. The reversal of 13795021 is 12059731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13793796 + 1225 = 3714^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 13795021 - 2⁹ = 13794509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13795051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6897510 + 6897511.

It is an arithmetic number, because the mean of its divisors is an integer number (6897511).

Almost surely, 2^13795021 is an apocalyptic number.

It is an amenable number.

13795021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13795021 is an equidigital number, since it uses as much as digits as its factorization.

13795021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 13795021 is about 3714.1649128707. The cubic root of 13795021 is about 239.8321801331.

It can be divided in two parts, 1379 and 5021, that added together give a square (6400 = 80²).

The spelling of 13795021 in words is "thirteen million, seven hundred ninety-five thousand, twenty-one".