13478288 has 10 divisors (see below), whose sum is σ = 26114214. Its totient is φ = 6739136.

The previous prime is 13478281. The next prime is 13478291. The reversal of 13478288 is 88287431.

It can be written as a sum of positive squares in only one way, i.e., 12759184 + 719104 = 3572^2 + 848^2 .

It is not an unprimeable number, because it can be changed into a prime (13478281) 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 as a sum of consecutive naturals, namely, 421181 + ... + 421212.

Almost surely, 2^13478288 is an apocalyptic number.

It is an amenable number.

13478288 is a deficient number, since it is larger than the sum of its proper divisors (12635926).

13478288 is an equidigital number, since it uses as much as digits as its factorization.

13478288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842401 (or 842395 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 13478288 is about 3671.2787962779. The cubic root of 13478288 is about 237.9824387391.

The spelling of 13478288 in words is "thirteen million, four hundred seventy-eight thousand, two hundred eighty-eight".