13309051 has 16 divisors (see below), whose sum is σ = 15805440. Its totient is φ = 10969920.

The previous prime is 13309031. The next prime is 13309061. The reversal of 13309051 is 15090331.

It is a cyclic number.

It is not a de Polignac number, because 13309051 - 2⁷ = 13308923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13309001) 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 in 15 ways as a sum of consecutive naturals, for example, 22380 + ... + 22966.

It is an arithmetic number, because the mean of its divisors is an integer number (987840).

Almost surely, 2^13309051 is an apocalyptic number.

13309051 is a deficient number, since it is larger than the sum of its proper divisors (2496389).

13309051 is an equidigital number, since it uses as much as digits as its factorization.

13309051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 13309051 is about 3648.1572060425. The cubic root of 13309051 is about 236.9821833770.

Adding to 13309051 its reverse (15090331), we get a palindrome (28399382).

The spelling of 13309051 in words is "thirteen million, three hundred nine thousand, fifty-one".