12073347 has 64 divisors (see below), whose sum is σ = 21772800. Its totient is φ = 6514560.

The previous prime is 12073343. The next prime is 12073381. The reversal of 12073347 is 74337021.

It is not a de Polignac number, because 12073347 - 2² = 12073343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12073347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12073343) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 204604 + ... + 204662.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^12073347 is an apocalyptic number.

12073347 is a deficient number, since it is larger than the sum of its proper divisors (9699453).

12073347 is a wasteful number, since it uses less digits than its factorization.

12073347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 139 counting only the distinct ones).

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

The square root of 12073347 is about 3474.6722147564. The cubic root of 12073347 is about 229.4083533429.

It can be divided in two parts, 1207 and 3347, that added together give a palindrome (4554).

The spelling of 12073347 in words is "twelve million, seventy-three thousand, three hundred forty-seven".