13749733 has 2 divisors, whose sum is σ = 13749734. Its totient is φ = 13749732.

The previous prime is 13749691. The next prime is 13749761. The reversal of 13749733 is 33794731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13675204 + 74529 = 3698^2 + 273^2 .

It is an emirp because it is prime and its reverse (33794731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13749733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13749692 and 13749701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13749793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6874866 + 6874867.

It is an arithmetic number, because the mean of its divisors is an integer number (6874867).

Almost surely, 2^13749733 is an apocalyptic number.

It is an amenable number.

13749733 is a deficient number, since it is larger than the sum of its proper divisors (1).

13749733 is an equidigital number, since it uses as much as digits as its factorization.

13749733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 37.

The square root of 13749733 is about 3708.0632411004. The cubic root of 13749733 is about 239.5694421654.

The spelling of 13749733 in words is "thirteen million, seven hundred forty-nine thousand, seven hundred thirty-three".