13498890 has 16 divisors (see below), whose sum is σ = 32397408. Its totient is φ = 3599696.

The previous prime is 13498889. The next prime is 13498909. The reversal of 13498890 is 9889431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224952 + ... + 225011.

It is an arithmetic number, because the mean of its divisors is an integer number (2024838).

Almost surely, 2^13498890 is an apocalyptic number.

13498890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13498890 is an abundant number, since it is smaller than the sum of its proper divisors (18898518).

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

13498890 is a wasteful number, since it uses less digits than its factorization.

13498890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449973.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 13498890 is about 3674.0835592022. The cubic root of 13498890 is about 238.1036316343.

The spelling of 13498890 in words is "thirteen million, four hundred ninety-eight thousand, eight hundred ninety".