12067405 has 16 divisors (see below), whose sum is σ = 16606080. Its totient is φ = 8246592.

The previous prime is 12067397. The next prime is 12067409. The reversal of 12067405 is 50476021.

12067405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12067405 - 2³ = 12067397 is a prime.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 12067405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12067409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19186 + ... + 19804.

It is an arithmetic number, because the mean of its divisors is an integer number (1037880).

Almost surely, 2^12067405 is an apocalyptic number.

It is an amenable number.

12067405 is a deficient number, since it is larger than the sum of its proper divisors (4538675).

12067405 is an equidigital number, since it uses as much as digits as its factorization.

12067405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 12067405 is about 3473.8170648438. The cubic root of 12067405 is about 229.3707120790.

The spelling of 12067405 in words is "twelve million, sixty-seven thousand, four hundred five".