13078480 has 20 divisors (see below), whose sum is σ = 30407652. Its totient is φ = 5231360.

The previous prime is 13078477. The next prime is 13078487. The reversal of 13078480 is 8487031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8785296 + 4293184 = 2964^2 + 2072^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×13078480² = 342093278220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13078487) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 81661 + ... + 81820.

Almost surely, 2^13078480 is an apocalyptic number.

13078480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13078480 is an abundant number, since it is smaller than the sum of its proper divisors (17329172).

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

13078480 is a wasteful number, since it uses less digits than its factorization.

13078480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163494 (or 163488 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 13078480 is about 3616.4181174195. The cubic root of 13078480 is about 235.6056806953.

The spelling of 13078480 in words is "thirteen million, seventy-eight thousand, four hundred eighty".