12006377 has 4 divisors (see below), whose sum is σ = 12420420. Its totient is φ = 11592336.

The previous prime is 12006359. The next prime is 12006409. The reversal of 12006377 is 77360021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9759376 + 2247001 = 3124^2 + 1499^2 .

It is a cyclic number.

It is not a de Polignac number, because 12006377 - 2¹⁴ = 11989993 is a prime.

It is a super-2 number, since 2×12006377² = 288306177332258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12006307) 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, 206978 + ... + 207035.

It is an arithmetic number, because the mean of its divisors is an integer number (3105105).

Almost surely, 2^12006377 is an apocalyptic number.

It is an amenable number.

12006377 is a deficient number, since it is larger than the sum of its proper divisors (414043).

12006377 is an equidigital number, since it uses as much as digits as its factorization.

12006377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414042.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 12006377 is about 3465.0219335525. The cubic root of 12006377 is about 228.9833960108.

Adding to 12006377 its reverse (77360021), we get a palindrome (89366398).

The spelling of 12006377 in words is "twelve million, six thousand, three hundred seventy-seven".