13003890 has 32 divisors (see below), whose sum is σ = 32287680. Its totient is φ = 3347904.

The previous prime is 13003889. The next prime is 13003937. The reversal of 13003890 is 9830031.

13003890 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13003890.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6604 + ... + 8343.

It is an arithmetic number, because the mean of its divisors is an integer number (1008990).

Almost surely, 2^13003890 is an apocalyptic number.

13003890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13003890 is an abundant number, since it is smaller than the sum of its proper divisors (19283790).

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

13003890 is a wasteful number, since it uses less digits than its factorization.

13003890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14986.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13003890 is about 3606.0906810561. The cubic root of 13003890 is about 235.1569194894.

The spelling of 13003890 in words is "thirteen million, three thousand, eight hundred ninety".