13022501 has 2 divisors, whose sum is σ = 13022502. Its totient is φ = 13022500.

The previous prime is 13022497. The next prime is 13022509. The reversal of 13022501 is 10522031.

It is a happy number.

13022501 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., 10233601 + 2788900 = 3199^2 + 1670^2 .

It is a cyclic number.

It is not a de Polignac number, because 13022501 - 2² = 13022497 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13022509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511250 + 6511251.

It is an arithmetic number, because the mean of its divisors is an integer number (6511251).

Almost surely, 2^13022501 is an apocalyptic number.

It is an amenable number.

13022501 is a deficient number, since it is larger than the sum of its proper divisors (1).

13022501 is an equidigital number, since it uses as much as digits as its factorization.

13022501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 13022501 is about 3608.6702537084. The cubic root of 13022501 is about 235.2690505318.

Adding to 13022501 its reverse (10522031), we get a palindrome (23544532).

The spelling of 13022501 in words is "thirteen million, twenty-two thousand, five hundred one".