13489746 has 8 divisors (see below), whose sum is σ = 26979504. Its totient is φ = 4496580.

The previous prime is 13489733. The next prime is 13489769. The reversal of 13489746 is 64798431.

It is a sphenic number, since it is the product of 3 distinct primes.

13489746 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13489698 and 13489707.

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 3 ways as a sum of consecutive naturals, for example, 1124140 + ... + 1124151.

It is an arithmetic number, because the mean of its divisors is an integer number (3372438).

Almost surely, 2^13489746 is an apocalyptic number.

13489746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13489746 is a wasteful number, since it uses less digits than its factorization.

13489746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248296.

The product of its digits is 145152, while the sum is 42.

The square root of 13489746 is about 3672.8389564477. The cubic root of 13489746 is about 238.0498565609.

The spelling of 13489746 in words is "thirteen million, four hundred eighty-nine thousand, seven hundred forty-six".