13278488 has 8 divisors (see below), whose sum is σ = 24897180. Its totient is φ = 6639240.

The previous prime is 13278439. The next prime is 13278493. The reversal of 13278488 is 88487231.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13278488² = 352636487132288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 829898 + ... + 829913.

Almost surely, 2^13278488 is an apocalyptic number.

It is an amenable number.

13278488 is a deficient number, since it is larger than the sum of its proper divisors (11618692).

13278488 is a wasteful number, since it uses less digits than its factorization.

13278488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659817 (or 1659813 counting only the distinct ones).

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

The square root of 13278488 is about 3643.9659713010. The cubic root of 13278488 is about 236.8006418141.

The spelling of 13278488 in words is "thirteen million, two hundred seventy-eight thousand, four hundred eighty-eight".