13749514 has 8 divisors (see below), whose sum is σ = 21127428. Its totient is φ = 6707040.

The previous prime is 13749503. The next prime is 13749557. The reversal of 13749514 is 41594731.

It can be written as a sum of positive squares in 2 ways, for example, as 11108889 + 2640625 = 3333^2 + 1625^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13749514.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83757 + ... + 83920.

Almost surely, 2^13749514 is an apocalyptic number.

13749514 is a deficient number, since it is larger than the sum of its proper divisors (7377914).

13749514 is a wasteful number, since it uses less digits than its factorization.

13749514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167720.

The product of its digits is 15120, while the sum is 34.

The square root of 13749514 is about 3708.0337107421. The cubic root of 13749514 is about 239.5681702380.

The spelling of 13749514 in words is "thirteen million, seven hundred forty-nine thousand, five hundred fourteen".