13749038 has 8 divisors (see below), whose sum is σ = 20651088. Its totient is φ = 6865344.

The previous prime is 13749031. The next prime is 13749053. The reversal of 13749038 is 83094731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13748989 and 13749007.

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, 2531 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (2581386).

Almost surely, 2^13749038 is an apocalyptic number.

13749038 is a deficient number, since it is larger than the sum of its proper divisors (6902050).

13749038 is an equidigital number, since it uses as much as digits as its factorization.

13749038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9178.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 13749038 is about 3707.9695252254. The cubic root of 13749038 is about 239.5654056369.

The spelling of 13749038 in words is "thirteen million, seven hundred forty-nine thousand, thirty-eight".