13412178 has 36 divisors (see below), whose sum is σ = 31474170. Its totient is φ = 4125888.

The previous prime is 13412177. The next prime is 13412221. The reversal of 13412178 is 87121431.

13412178 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3470769 + 9941409 = 1863^2 + 3153^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13412177) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 838 + ... + 5246.

Almost surely, 2^13412178 is an apocalyptic number.

13412178 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13412178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15737085).

13412178 is an abundant number, since it is smaller than the sum of its proper divisors (18061992).

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

13412178 is a wasteful number, since it uses less digits than its factorization.

13412178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443 (or 4427 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 13412178 is about 3662.2640538334. The cubic root of 13412178 is about 237.5927054523.

The spelling of 13412178 in words is "thirteen million, four hundred twelve thousand, one hundred seventy-eight".