13003888 has 40 divisors (see below), whose sum is σ = 26467056. Its totient is φ = 6182400.

The previous prime is 13003883. The next prime is 13003889. The reversal of 13003888 is 88830031.

It is a super-2 number, since 2×13003888² = 338202206233088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003883) 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 7 ways as a sum of consecutive naturals, for example, 27978 + ... + 28438.

Almost surely, 2^13003888 is an apocalyptic number.

It is an amenable number.

13003888 is an abundant number, since it is smaller than the sum of its proper divisors (13463168).

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

13003888 is a wasteful number, since it uses less digits than its factorization.

13003888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 13003888 is about 3606.0904037475. The cubic root of 13003888 is about 235.1569074337.

The spelling of 13003888 in words is "thirteen million, three thousand, eight hundred eighty-eight".