13999441 has 2 divisors, whose sum is σ = 13999442. Its totient is φ = 13999440.

The previous prime is 13999423. The next prime is 13999459. The reversal of 13999441 is 14499931.

It is a balanced prime because it is at equal distance from previous prime (13999423) and next prime (13999459).

It can be written as a sum of positive squares in only one way, i.e., 12780625 + 1218816 = 3575^2 + 1104^2 .

It is a cyclic number.

It is not a de Polignac number, because 13999441 - 2¹⁷ = 13868369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13999394 and 13999403.

It is not a weakly prime, because it can be changed into another prime (13999421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6999720 + 6999721.

It is an arithmetic number, because the mean of its divisors is an integer number (6999721).

Almost surely, 2^13999441 is an apocalyptic number.

It is an amenable number.

13999441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13999441 is an equidigital number, since it uses as much as digits as its factorization.

13999441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 13999441 is about 3741.5826865112. The cubic root of 13999441 is about 241.0110185902.

The spelling of 13999441 in words is "thirteen million, nine hundred ninety-nine thousand, four hundred forty-one".