12067550 has 48 divisors (see below), whose sum is σ = 25190352. Its totient is φ = 4262400.

The previous prime is 12067543. The next prime is 12067553. The reversal of 12067550 is 5576021.

12067550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12067553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20054 + ... + 20646.

It is an arithmetic number, because the mean of its divisors is an integer number (524799).

Almost surely, 2^12067550 is an apocalyptic number.

12067550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12067550 is an abundant number, since it is smaller than the sum of its proper divisors (13122802).

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

12067550 is a wasteful number, since it uses less digits than its factorization.

12067550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 12067550 is about 3473.8379351950. The cubic root of 12067550 is about 229.3716307692.

The spelling of 12067550 in words is "twelve million, sixty-seven thousand, five hundred fifty".