13660934 has 16 divisors (see below), whose sum is σ = 23563008. Its totient is φ = 5818632.

The previous prime is 13660931. The next prime is 13660939. The reversal of 13660934 is 43906631.

It is a happy number.

It is a super-2 number, since 2×13660934² = 373242235504712, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13660934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13660931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (1472688).

Almost surely, 2^13660934 is an apocalyptic number.

13660934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13660934 is a deficient number, since it is larger than the sum of its proper divisors (9902074).

13660934 is a wasteful number, since it uses less digits than its factorization.

13660934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6019.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 13660934 is about 3696.0700750933. The cubic root of 13660934 is about 239.0525960469.

The spelling of 13660934 in words is "thirteen million, six hundred sixty thousand, nine hundred thirty-four".