13659771 has 16 divisors (see below), whose sum is σ = 18893600. Its totient is φ = 8771328.

The previous prime is 13659749. The next prime is 13659773. The reversal of 13659771 is 17795631.

It is not a de Polignac number, because 13659771 - 2⁹ = 13659259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13659773) 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, 11535 + ... + 12663.

It is an arithmetic number, because the mean of its divisors is an integer number (1180850).

Almost surely, 2^13659771 is an apocalyptic number.

13659771 is a deficient number, since it is larger than the sum of its proper divisors (5233829).

13659771 is a wasteful number, since it uses less digits than its factorization.

13659771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278.

The product of its digits is 39690, while the sum is 39.

The square root of 13659771 is about 3695.9127424765. The cubic root of 13659771 is about 239.0458120779.

The spelling of 13659771 in words is "thirteen million, six hundred fifty-nine thousand, seven hundred seventy-one".