13321051 has 2 divisors, whose sum is σ = 13321052. Its totient is φ = 13321050.

The previous prime is 13321027. The next prime is 13321097. The reversal of 13321051 is 15012331.

It is a weak prime.

It is an emirp because it is prime and its reverse (15012331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13321051 is a prime.

It is not a weakly prime, because it can be changed into another prime (13321151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660525 + 6660526.

It is an arithmetic number, because the mean of its divisors is an integer number (6660526).

Almost surely, 2^13321051 is an apocalyptic number.

13321051 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321051 is an equidigital number, since it uses as much as digits as its factorization.

13321051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13321051 is about 3649.8015014518. The cubic root of 13321051 is about 237.0533863485.

Adding to 13321051 its reverse (15012331), we get a palindrome (28333382).

The spelling of 13321051 in words is "thirteen million, three hundred twenty-one thousand, fifty-one".