13557448 has 8 divisors (see below), whose sum is σ = 25420230. Its totient is φ = 6778720.

The previous prime is 13557437. The next prime is 13557451. The reversal of 13557448 is 84475531.

It can be written as a sum of positive squares in only one way, i.e., 13557124 + 324 = 3682^2 + 18^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 847333 + ... + 847348.

Almost surely, 2^13557448 is an apocalyptic number.

It is an amenable number.

13557448 is a deficient number, since it is larger than the sum of its proper divisors (11862782).

13557448 is a wasteful number, since it uses less digits than its factorization.

13557448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694687 (or 1694683 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 13557448 is about 3682.0439975644. The cubic root of 13557448 is about 238.4474317437.

The spelling of 13557448 in words is "thirteen million, five hundred fifty-seven thousand, four hundred forty-eight".