12073743 has 18 divisors (see below), whose sum is σ = 19171152. Its totient is φ = 7316760.

The previous prime is 12073741. The next prime is 12073769. The reversal of 12073743 is 34737021.

It is not a de Polignac number, because 12073743 - 2¹ = 12073741 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12073741) 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 17 ways as a sum of consecutive naturals, for example, 4455 + ... + 6632.

It is an arithmetic number, because the mean of its divisors is an integer number (1065064).

Almost surely, 2^12073743 is an apocalyptic number.

12073743 is a deficient number, since it is larger than the sum of its proper divisors (7097409).

12073743 is a wasteful number, since it uses less digits than its factorization.

12073743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115 (or 11101 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 12073743 is about 3474.7291980815. The cubic root of 12073743 is about 229.4108614769.

Subtracting 12073743 from its reverse (34737021), we obtain a triangular number (22663278 = T₆₇₃₂).

It can be divided in two parts, 1207 and 3743, that added together give a triangular number (4950 = T₉₉).

The spelling of 12073743 in words is "twelve million, seventy-three thousand, seven hundred forty-three".