13478166 has 48 divisors (see below), whose sum is σ = 31711680. Its totient is φ = 4112640.

The previous prime is 13478159. The next prime is 13478173. The reversal of 13478166 is 66187431.

13478166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13478159) and next prime (13478173).

It is a self number, because there is not a number n which added to its sum of digits gives 13478166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55806 + ... + 56046.

It is an arithmetic number, because the mean of its divisors is an integer number (660660).

Almost surely, 2^13478166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13478166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15855840).

13478166 is an abundant number, since it is smaller than the sum of its proper divisors (18233514).

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

13478166 is a wasteful number, since it uses less digits than its factorization.

13478166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 498 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 13478166 is about 3671.2621807765. The cubic root of 13478166 is about 237.9817206967.

The spelling of 13478166 in words is "thirteen million, four hundred seventy-eight thousand, one hundred sixty-six".