13985344 has 14 divisors (see below), whose sum is σ = 27752294. Its totient is φ = 6992640.

The previous prime is 13985341. The next prime is 13985347. The reversal of 13985344 is 44358931.

13985344 = T₄₀₂ + T₄₀₃ + ... + T₅₂₉.

It is an interprime number because it is at equal distance from previous prime (13985341) and next prime (13985347).

It can be written as a sum of positive squares in only one way, i.e., 7225344 + 6760000 = 2688^2 + 2600^2 .

It is not an unprimeable number, because it can be changed into a prime (13985341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109197 + ... + 109324.

Almost surely, 2^13985344 is an apocalyptic number.

It is an amenable number.

13985344 is a deficient number, since it is larger than the sum of its proper divisors (13766950).

13985344 is an equidigital number, since it uses as much as digits as its factorization.

13985344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218533 (or 218523 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 13985344 is about 3739.6983835598. The cubic root of 13985344 is about 240.9300945645.

The spelling of 13985344 in words is "thirteen million, nine hundred eighty-five thousand, three hundred forty-four".