13388488 has 16 divisors (see below), whose sum is σ = 25969500. Its totient is φ = 6463296.

The previous prime is 13388471. The next prime is 13388491. The reversal of 13388488 is 88488331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12545764 + 842724 = 3542^2 + 918^2 .

It is a super-2 number, since 2×13388488² = 358503221852288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28623 + ... + 29086.

Almost surely, 2^13388488 is an apocalyptic number.

It is an amenable number.

13388488 is a deficient number, since it is larger than the sum of its proper divisors (12581012).

13388488 is a wasteful number, since it uses less digits than its factorization.

13388488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57744 (or 57740 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 13388488 is about 3659.0282863077. The cubic root of 13388488 is about 237.4527359318.

The spelling of 13388488 in words is "thirteen million, three hundred eighty-eight thousand, four hundred eighty-eight".