12076405 has 12 divisors (see below), whose sum is σ = 15929676. Its totient is φ = 8782400.

The previous prime is 12076399. The next prime is 12076411. The reversal of 12076405 is 50467021.

12076405 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 (12076399) and next prime (12076411).

It can be written as a sum of positive squares in 2 ways, for example, as 8242641 + 3833764 = 2871^2 + 1958^2 .

It is not a de Polignac number, because 12076405 - 2¹⁵ = 12043637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12076405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9376 + ... + 10585.

It is an arithmetic number, because the mean of its divisors is an integer number (1327473).

Almost surely, 2^12076405 is an apocalyptic number.

It is an amenable number.

12076405 is a deficient number, since it is larger than the sum of its proper divisors (3853271).

12076405 is a wasteful number, since it uses less digits than its factorization.

12076405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19988 (or 19977 counting only the distinct ones).

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

The square root of 12076405 is about 3475.1122284036. The cubic root of 12076405 is about 229.4277202874.

The spelling of 12076405 in words is "twelve million, seventy-six thousand, four hundred five".