12045377 has 4 divisors (see below), whose sum is σ = 12076116. Its totient is φ = 12014640.

The previous prime is 12045347. The next prime is 12045409. The reversal of 12045377 is 77354021.

12045377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77354021 = 31 ⋅2495291.

It can be written as a sum of positive squares in 2 ways, for example, as 4857616 + 7187761 = 2204^2 + 2681^2 .

It is a cyclic number.

It is not a de Polignac number, because 12045377 - 2¹⁰ = 12044353 is a prime.

It is a super-2 number, since 2×12045377² = 290182214144258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12045317) 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, 14774 + ... + 15567.

It is an arithmetic number, because the mean of its divisors is an integer number (3019029).

Almost surely, 2^12045377 is an apocalyptic number.

It is an amenable number.

12045377 is a deficient number, since it is larger than the sum of its proper divisors (30739).

12045377 is an equidigital number, since it uses as much as digits as its factorization.

12045377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30738.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 12045377 is about 3470.6450409110. The cubic root of 12045377 is about 229.2310616318.

Adding to 12045377 its reverse (77354021), we get a palindrome (89399398).

The spelling of 12045377 in words is "twelve million, forty-five thousand, three hundred seventy-seven".