13703749 has 2 divisors, whose sum is σ = 13703750. Its totient is φ = 13703748.

The previous prime is 13703741. The next prime is 13703759. The reversal of 13703749 is 94730731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11175649 + 2528100 = 3343^2 + 1590^2 .

It is an emirp because it is prime and its reverse (94730731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13703749 - 2³ = 13703741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13703741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6851874 + 6851875.

It is an arithmetic number, because the mean of its divisors is an integer number (6851875).

Almost surely, 2^13703749 is an apocalyptic number.

It is an amenable number.

13703749 is a deficient number, since it is larger than the sum of its proper divisors (1).

13703749 is an equidigital number, since it uses as much as digits as its factorization.

13703749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 13703749 is about 3701.8575067120. The cubic root of 13703749 is about 239.3020753985.

The spelling of 13703749 in words is "thirteen million, seven hundred three thousand, seven hundred forty-nine".