13490 has 16 divisors (see below), whose sum is σ = 25920. Its totient is φ = 5040.

The previous prime is 13487. The next prime is 13499. The reversal of 13490 is 9431.

13490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (13499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 225.

It is an arithmetic number, because the mean of its divisors is an integer number (1620).

2¹³⁴⁹⁰ is an apocalyptic number.

13490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13490 is the 95-th pentagonal number.

13490 is a deficient number, since it is larger than the sum of its proper divisors (12430).

13490 is a wasteful number, since it uses less digits than its factorization.

13490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 13490 is about 116.1464592659. The cubic root of 13490 is about 23.8051350641.

The spelling of 13490 in words is "thirteen thousand, four hundred ninety".