13489750 has 16 divisors (see below), whose sum is σ = 25253280. Its totient is φ = 5395800.

The previous prime is 13489733. The next prime is 13489769. The reversal of 13489750 is 5798431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26730 + ... + 27229.

It is an arithmetic number, because the mean of its divisors is an integer number (1578330).

Almost surely, 2^13489750 is an apocalyptic number.

13489750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13489750 is a deficient number, since it is larger than the sum of its proper divisors (11763530).

13489750 is an equidigital number, since it uses as much as digits as its factorization.

13489750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53976 (or 53966 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 13489750 is about 3672.8395009856. The cubic root of 13489750 is about 238.0498800898.

The spelling of 13489750 in words is "thirteen million, four hundred eighty-nine thousand, seven hundred fifty".