13005677 has 4 divisors (see below), whose sum is σ = 13014300. Its totient is φ = 12997056.

The previous prime is 13005673. The next prime is 13005679. The reversal of 13005677 is 77650031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4791721 + 8213956 = 2189^2 + 2866^2 .

It is a cyclic number.

It is not a de Polignac number, because 13005677 - 2² = 13005673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13005673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (3253575).

Almost surely, 2^13005677 is an apocalyptic number.

It is an amenable number.

13005677 is a deficient number, since it is larger than the sum of its proper divisors (8623).

13005677 is an equidigital number, since it uses as much as digits as its factorization.

13005677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8622.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 13005677 is about 3606.3384477888. The cubic root of 13005677 is about 235.1676907834.

The spelling of 13005677 in words is "thirteen million, five thousand, six hundred seventy-seven".