13045687 has 2 divisors, whose sum is σ = 13045688. Its totient is φ = 13045686.

The previous prime is 13045663. The next prime is 13045717. The reversal of 13045687 is 78654031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13045687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13045657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522843 + 6522844.

It is an arithmetic number, because the mean of its divisors is an integer number (6522844).

Almost surely, 2^13045687 is an apocalyptic number.

13045687 is a deficient number, since it is larger than the sum of its proper divisors (1).

13045687 is an equidigital number, since it uses as much as digits as its factorization.

13045687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 13045687 is about 3611.8813657151. The cubic root of 13045687 is about 235.4085965368.

The spelling of 13045687 in words is "thirteen million, forty-five thousand, six hundred eighty-seven".