13578080 has 48 divisors (see below), whose sum is σ = 32405184. Its totient is φ = 5376000.

The previous prime is 13578079. The next prime is 13578091. The reversal of 13578080 is 8087531.

13578080 = T₂₃₂₈ + T₂₃₂₉ + ... + T₂₃₃₂.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17705 + ... + 18455.

It is an arithmetic number, because the mean of its divisors is an integer number (675108).

Almost surely, 2^13578080 is an apocalyptic number.

13578080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13578080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16202592).

13578080 is an abundant number, since it is smaller than the sum of its proper divisors (18827104).

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

13578080 is a wasteful number, since it uses less digits than its factorization.

13578080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 13578080 is about 3684.8446371591. The cubic root of 13578080 is about 238.5683284866.

The spelling of 13578080 in words is "thirteen million, five hundred seventy-eight thousand, eighty".