11042739 has 12 divisors (see below), whose sum is σ = 16189576. Its totient is φ = 7251552.

The previous prime is 11042729. The next prime is 11042747. The reversal of 11042739 is 93724011.

It is not a de Polignac number, because 11042739 - 2⁴ = 11042723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11042729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8554 + ... + 9759.

Almost surely, 2^11042739 is an apocalyptic number.

11042739 is a deficient number, since it is larger than the sum of its proper divisors (5146837).

11042739 is a wasteful number, since it uses less digits than its factorization.

11042739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18386 (or 18383 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 11042739 is about 3323.0616906702. The cubic root of 11042739 is about 222.6856692023.

It can be divided in two parts, 11042 and 739, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 11042739 in words is "eleven million, forty-two thousand, seven hundred thirty-nine".