13077913 has 4 divisors (see below), whose sum is σ = 13847220. Its totient is φ = 12308608.

The previous prime is 13077907. The next prime is 13077917. The reversal of 13077913 is 31977031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5531904 + 7546009 = 2352^2 + 2747^2 .

It is a cyclic number.

It is not a de Polignac number, because 13077913 - 2¹⁷ = 12946841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13077917) 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 3 ways as a sum of consecutive naturals, for example, 384628 + ... + 384661.

It is an arithmetic number, because the mean of its divisors is an integer number (3461805).

Almost surely, 2^13077913 is an apocalyptic number.

It is an amenable number.

13077913 is a deficient number, since it is larger than the sum of its proper divisors (769307).

13077913 is an equidigital number, since it uses as much as digits as its factorization.

13077913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769306.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 13077913 is about 3616.3397240857. The cubic root of 13077913 is about 235.6022758564.

The spelling of 13077913 in words is "thirteen million, seventy-seven thousand, nine hundred thirteen".