13220527 has 2 divisors, whose sum is σ = 13220528. Its totient is φ = 13220526.

The previous prime is 13220521. The next prime is 13220533. The reversal of 13220527 is 72502231.

13220527 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (13220521) and next prime (13220533).

It is a cyclic number.

It is not a de Polignac number, because 13220527 - 2¹⁹ = 12696239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13220498 and 13220507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610263 + 6610264.

It is an arithmetic number, because the mean of its divisors is an integer number (6610264).

Almost surely, 2^13220527 is an apocalyptic number.

13220527 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220527 is an equidigital number, since it uses as much as digits as its factorization.

13220527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 13220527 is about 3636.0042629238. The cubic root of 13220527 is about 236.4555919641.

Adding to 13220527 its reverse (72502231), we get a palindrome (85722758).

The spelling of 13220527 in words is "thirteen million, two hundred twenty thousand, five hundred twenty-seven".