13479666 has 16 divisors (see below), whose sum is σ = 26995584. Its totient is φ = 4487184.

The previous prime is 13479659. The next prime is 13479677. The reversal of 13479666 is 66697431.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7116 + ... + 8808.

It is an arithmetic number, because the mean of its divisors is an integer number (1687224).

Almost surely, 2^13479666 is an apocalyptic number.

13479666 is an abundant number, since it is smaller than the sum of its proper divisors (13515918).

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

13479666 is a wasteful number, since it uses less digits than its factorization.

13479666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025.

The product of its digits is 163296, while the sum is 42.

The square root of 13479666 is about 3671.4664645071. The cubic root of 13479666 is about 237.9905487855.

It can be divided in two parts, 134 and 79666, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 13479666 in words is "thirteen million, four hundred seventy-nine thousand, six hundred sixty-six".