13843472 has 10 divisors (see below), whose sum is σ = 26821758. Its totient is φ = 6921728.

The previous prime is 13843451. The next prime is 13843477. The reversal of 13843472 is 27434831.

It can be written as a sum of positive squares in only one way, i.e., 11397376 + 2446096 = 3376^2 + 1564^2 .

It is not an unprimeable number, because it can be changed into a prime (13843477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432593 + ... + 432624.

Almost surely, 2^13843472 is an apocalyptic number.

It is an amenable number.

13843472 is a deficient number, since it is larger than the sum of its proper divisors (12978286).

13843472 is an equidigital number, since it uses as much as digits as its factorization.

13843472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865225 (or 865219 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 13843472 is about 3720.6816579761. The cubic root of 13843472 is about 240.1126323184.

The spelling of 13843472 in words is "thirteen million, eight hundred forty-three thousand, four hundred seventy-two".