13975743 has 16 divisors (see below), whose sum is σ = 19779840. Its totient is φ = 8758464.

The previous prime is 13975739. The next prime is 13975757. The reversal of 13975743 is 34757931.

It is a happy number.

It is not a de Polignac number, because 13975743 - 2² = 13975739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13975733) 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 15 ways as a sum of consecutive naturals, for example, 2355 + ... + 5787.

It is an arithmetic number, because the mean of its divisors is an integer number (1236240).

Almost surely, 2^13975743 is an apocalyptic number.

13975743 is a deficient number, since it is larger than the sum of its proper divisors (5804097).

13975743 is a wasteful number, since it uses less digits than its factorization.

13975743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518.

The product of its digits is 79380, while the sum is 39.

The square root of 13975743 is about 3738.4145035028. The cubic root of 13975743 is about 240.8749487544.

It can be divided in two parts, 1397 and 5743, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 13975743 in words is "thirteen million, nine hundred seventy-five thousand, seven hundred forty-three".