12612377 has 4 divisors (see below), whose sum is σ = 12629796. Its totient is φ = 12594960.

The previous prime is 12612367. The next prime is 12612407. The reversal of 12612377 is 77321621.

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 6990736 + 5621641 = 2644^2 + 2371^2 .

It is a cyclic number.

It is not a de Polignac number, because 12612377 - 2¹⁰ = 12611353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12612367) 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, 7574 + ... + 9087.

It is an arithmetic number, because the mean of its divisors is an integer number (3157449).

Almost surely, 2^12612377 is an apocalyptic number.

It is an amenable number.

12612377 is a deficient number, since it is larger than the sum of its proper divisors (17419).

12612377 is an equidigital number, since it uses as much as digits as its factorization.

12612377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17418.

The product of its digits is 3528, while the sum is 29.

The square root of 12612377 is about 3551.3908542992. The cubic root of 12612377 is about 232.7728449823.

Adding to 12612377 its reverse (77321621), we get a palindrome (89933998).

The spelling of 12612377 in words is "twelve million, six hundred twelve thousand, three hundred seventy-seven".