13660011 has 12 divisors (see below), whose sum is σ = 20212920. Its totient is φ = 8884320.

The previous prime is 13660007. The next prime is 13660013. The reversal of 13660011 is 11006631.

13660011 is a `hidden beast` number, since 1 + 3 + 660 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 13660011 - 2² = 13660007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13660013) 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, 18141 + ... + 18878.

It is an arithmetic number, because the mean of its divisors is an integer number (1684410).

Almost surely, 2^13660011 is an apocalyptic number.

13660011 is a deficient number, since it is larger than the sum of its proper divisors (6552909).

13660011 is a wasteful number, since it uses less digits than its factorization.

13660011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37066 (or 37063 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 13660011 is about 3695.9452106329. The cubic root of 13660011 is about 239.0472120686.

Adding to 13660011 its reverse (11006631), we get a palindrome (24666642).

The spelling of 13660011 in words is "thirteen million, six hundred sixty thousand, eleven".