13355587 has 6 divisors (see below), whose sum is σ = 15536148. Its totient is φ = 11447604.

The previous prime is 13355561. The next prime is 13355599. The reversal of 13355587 is 78555331.

13355587 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13355587 - 2¹¹ = 13353539 is a prime.

It is a super-2 number, since 2×13355587² = 356743408229138, which contains 22 as substring.

It is a Duffinian number.

13355587 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (13355887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136233 + ... + 136330.

It is an arithmetic number, because the mean of its divisors is an integer number (2589358).

Almost surely, 2^13355587 is an apocalyptic number.

13355587 is a deficient number, since it is larger than the sum of its proper divisors (2180561).

13355587 is an equidigital number, since it uses as much as digits as its factorization.

13355587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272577 (or 272570 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 13355587 is about 3654.5296550993. The cubic root of 13355587 is about 237.2580701696.

The spelling of 13355587 in words is "thirteen million, three hundred fifty-five thousand, five hundred eighty-seven".