13389450 has 48 divisors (see below), whose sum is σ = 34658496. Its totient is φ = 3414400.

The previous prime is 13389437. The next prime is 13389457. The reversal of 13389450 is 5498331.

It is not an unprimeable number, because it can be changed into a prime (13389457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1510 + ... + 5390.

It is an arithmetic number, because the mean of its divisors is an integer number (722052).

Almost surely, 2^13389450 is an apocalyptic number.

13389450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13389450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17329248).

13389450 is an abundant number, since it is smaller than the sum of its proper divisors (21269046).

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

13389450 is a wasteful number, since it uses less digits than its factorization.

13389450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 13389450 is about 3659.1597396124. The cubic root of 13389450 is about 237.4584230082.

The spelling of 13389450 in words is "thirteen million, three hundred eighty-nine thousand, four hundred fifty".