13559901 has 16 divisors (see below), whose sum is σ = 19131840. Its totient is φ = 8519040.

The previous prime is 13559893. The next prime is 13559963. The reversal of 13559901 is 10995531.

It is not a de Polignac number, because 13559901 - 2³ = 13559893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13559201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12771 + ... + 13791.

It is an arithmetic number, because the mean of its divisors is an integer number (1195740).

Almost surely, 2^13559901 is an apocalyptic number.

It is an amenable number.

13559901 is a deficient number, since it is larger than the sum of its proper divisors (5571939).

13559901 is a wasteful number, since it uses less digits than its factorization.

13559901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 6075, while the sum is 33.

The square root of 13559901 is about 3682.3770855251. The cubic root of 13559901 is about 238.4618119397.

The spelling of 13559901 in words is "thirteen million, five hundred fifty-nine thousand, nine hundred one".