13660704 has 96 divisors (see below), whose sum is σ = 40501440. Its totient is φ = 4478976.

The previous prime is 13660663. The next prime is 13660763. The reversal of 13660704 is 40706631.

13660704 = T₃₂₇ + T₃₂₈ + ... + T₄₈₈.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×13660704² = 373229667551232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83727 + ... + 83889.

It is an arithmetic number, because the mean of its divisors is an integer number (421890).

Almost surely, 2^13660704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13660704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20250720).

13660704 is an abundant number, since it is smaller than the sum of its proper divisors (26840736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13660704 is a wasteful number, since it uses less digits than its factorization.

13660704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 13660704 is about 3696.0389608336. The cubic root of 13660704 is about 239.0512544499.

The spelling of 13660704 in words is "thirteen million, six hundred sixty thousand, seven hundred four".