13984749 has 12 divisors (see below), whose sum is σ = 20242716. Its totient is φ = 9303552.

The previous prime is 13984723. The next prime is 13984769. The reversal of 13984749 is 94748931.

It can be written as a sum of positive squares in 2 ways, for example, as 11009124 + 2975625 = 3318^2 + 1725^2 .

It is not a de Polignac number, because 13984749 - 2⁸ = 13984493 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13984769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3847 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (1686893).

Almost surely, 2^13984749 is an apocalyptic number.

It is an amenable number.

13984749 is a deficient number, since it is larger than the sum of its proper divisors (6257967).

13984749 is a wasteful number, since it uses less digits than its factorization.

13984749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276 (or 3273 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 13984749 is about 3739.6188308436. The cubic root of 13984749 is about 240.9266777629.

The spelling of 13984749 in words is "thirteen million, nine hundred eighty-four thousand, seven hundred forty-nine".