13749037 has 4 divisors (see below), whose sum is σ = 13759740. Its totient is φ = 13738336.

The previous prime is 13749031. The next prime is 13749053. The reversal of 13749037 is 73094731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 73094731 = 167 ⋅437693.

It can be written as a sum of positive squares in 2 ways, for example, as 7123561 + 6625476 = 2669^2 + 2574^2 .

It is a cyclic number.

It is not a de Polignac number, because 13749037 - 2¹¹ = 13746989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13748993 and 13749011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13749031) 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 in 3 ways as a sum of consecutive naturals, for example, 3112 + ... + 6097.

It is an arithmetic number, because the mean of its divisors is an integer number (3439935).

Almost surely, 2^13749037 is an apocalyptic number.

It is an amenable number.

13749037 is a deficient number, since it is larger than the sum of its proper divisors (10703).

13749037 is an equidigital number, since it uses as much as digits as its factorization.

13749037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10702.

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

The square root of 13749037 is about 3707.9693903807. The cubic root of 13749037 is about 239.5653998288.

The spelling of 13749037 in words is "thirteen million, seven hundred forty-nine thousand, thirty-seven".