13201587 has 12 divisors (see below), whose sum is σ = 21793200. Its totient is φ = 7543728.

The previous prime is 13201579. The next prime is 13201633. The reversal of 13201587 is 78510231.

13201587 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13201587 - 2³ = 13201579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13201587.

It is not an unprimeable number, because it can be changed into a prime (13201577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104712 + ... + 104837.

It is an arithmetic number, because the mean of its divisors is an integer number (1816100).

Almost surely, 2^13201587 is an apocalyptic number.

13201587 is a deficient number, since it is larger than the sum of its proper divisors (8591613).

13201587 is a wasteful number, since it uses less digits than its factorization.

13201587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209562 (or 209559 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 13201587 is about 3633.3988220398. The cubic root of 13201587 is about 236.3426209440.

The spelling of 13201587 in words is "thirteen million, two hundred one thousand, five hundred eighty-seven".