13749043 has 8 divisors (see below), whose sum is σ = 17141760. Its totient is φ = 10713480.

The previous prime is 13749031. The next prime is 13749053. The reversal of 13749043 is 34094731.

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

It is a cyclic number.

It is not a de Polignac number, because 13749043 - 2⁵ = 13749011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13748996 and 13749014.

It is not an unprimeable number, because it can be changed into a prime (13749013) 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 7 ways as a sum of consecutive naturals, for example, 89203 + ... + 89356.

It is an arithmetic number, because the mean of its divisors is an integer number (2142720).

Almost surely, 2^13749043 is an apocalyptic number.

13749043 is a deficient number, since it is larger than the sum of its proper divisors (3392717).

13749043 is a wasteful number, since it uses less digits than its factorization.

13749043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178577.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 13749043 is about 3707.9701994487. The cubic root of 13749043 is about 239.5654346772.

The spelling of 13749043 in words is "thirteen million, seven hundred forty-nine thousand, forty-three".