12073647 has 4 divisors (see below), whose sum is σ = 16098200. Its totient is φ = 8049096.

The previous prime is 12073627. The next prime is 12073661. The reversal of 12073647 is 74637021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12073647 - 2¹¹ = 12071599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12073627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2012272 + ... + 2012277.

It is an arithmetic number, because the mean of its divisors is an integer number (4024550).

Almost surely, 2^12073647 is an apocalyptic number.

12073647 is a deficient number, since it is larger than the sum of its proper divisors (4024553).

12073647 is an equidigital number, since it uses as much as digits as its factorization.

12073647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024552.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 12073647 is about 3474.7153840279. The cubic root of 12073647 is about 229.4102534495.

It can be divided in two parts, 1207364 and 7, that multiplied together give a palindrome (8451548).

The spelling of 12073647 in words is "twelve million, seventy-three thousand, six hundred forty-seven".