13478496 has 24 divisors (see below), whose sum is σ = 35381304. Its totient is φ = 4492800.

The previous prime is 13478473. The next prime is 13478497. The reversal of 13478496 is 69487431.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13478497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70105 + ... + 70296.

It is an arithmetic number, because the mean of its divisors is an integer number (1474221).

Almost surely, 2^13478496 is an apocalyptic number.

13478496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13478496 is an abundant number, since it is smaller than the sum of its proper divisors (21902808).

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

13478496 is a wasteful number, since it uses less digits than its factorization.

13478496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140414 (or 140406 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 13478496 is about 3671.3071241725. The cubic root of 13478496 is about 237.9836629325.

The spelling of 13478496 in words is "thirteen million, four hundred seventy-eight thousand, four hundred ninety-six".