13369472 has 32 divisors (see below), whose sum is σ = 26851500. Its totient is φ = 6630400.

The previous prime is 13369457. The next prime is 13369481. The reversal of 13369472 is 27496331.

13369472 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 13366336 + 3136 = 3656^2 + 56^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18722 + ... + 19422.

Almost surely, 2^13369472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13369472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13425750).

13369472 is an abundant number, since it is smaller than the sum of its proper divisors (13482028).

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

13369472 is an equidigital number, since it uses as much as digits as its factorization.

13369472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 852 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 13369472 is about 3656.4288588731. The cubic root of 13369472 is about 237.3402626713.

The spelling of 13369472 in words is "thirteen million, three hundred sixty-nine thousand, four hundred seventy-two".