12073644 has 48 divisors (see below), whose sum is σ = 34151040. Its totient is φ = 3658320.

The previous prime is 12073627. The next prime is 12073661. The reversal of 12073644 is 44637021.

12073644 is a `hidden beast` number, since 12 + 0 + 7 + 3 + 644 = 666.

12073644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12073627) and next prime (12073661).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3894 + ... + 6269.

It is an arithmetic number, because the mean of its divisors is an integer number (711480).

Almost surely, 2^12073644 is an apocalyptic number.

It is an amenable number.

12073644 is an abundant number, since it is smaller than the sum of its proper divisors (22077396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12073644 is a wasteful number, since it uses less digits than its factorization.

12073644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10187 (or 10179 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 12073644 is about 3474.7149523378. The cubic root of 12073644 is about 229.4102344485.

It can be divided in two parts, 1207 and 3644, that added together give a triangular number (4851 = T₉₈).

The spelling of 12073644 in words is "twelve million, seventy-three thousand, six hundred forty-four".