13109587 has 2 divisors, whose sum is σ = 13109588. Its totient is φ = 13109586.

The previous prime is 13109573. The next prime is 13109597. The reversal of 13109587 is 78590131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13109587 - 2¹⁹ = 12585299 is a prime.

It is a super-2 number, since 2×13109587² = 343722542621138, which contains 22 as substring.

It is equal to p₈₅₅₈₈₀ and since 13109587 and 855880 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13109557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6554793 + 6554794.

It is an arithmetic number, because the mean of its divisors is an integer number (6554794).

Almost surely, 2^13109587 is an apocalyptic number.

13109587 is a deficient number, since it is larger than the sum of its proper divisors (1).

13109587 is an equidigital number, since it uses as much as digits as its factorization.

13109587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 13109587 is about 3620.7163655829. The cubic root of 13109587 is about 235.7923278424.

The spelling of 13109587 in words is "thirteen million, one hundred nine thousand, five hundred eighty-seven".