13189450 has 48 divisors (see below), whose sum is σ = 26516160. Its totient is φ = 4862720.

The previous prime is 13189441. The next prime is 13189453. The reversal of 13189450 is 5498131.

It is not an unprimeable number, because it can be changed into a prime (13189453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50019 + ... + 50281.

It is an arithmetic number, because the mean of its divisors is an integer number (552420).

Almost surely, 2^13189450 is an apocalyptic number.

13189450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13189450 is an abundant number, since it is smaller than the sum of its proper divisors (13326710).

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

13189450 is a wasteful number, since it uses less digits than its factorization.

13189450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 13189450 is about 3631.7282387315. The cubic root of 13189450 is about 236.2701708187.

The spelling of 13189450 in words is "thirteen million, one hundred eighty-nine thousand, four hundred fifty".