12377812 has 6 divisors (see below), whose sum is σ = 21661178. Its totient is φ = 6188904.

The previous prime is 12377791. The next prime is 12377843. The reversal of 12377812 is 21877321.

It can be written as a sum of positive squares in only one way, i.e., 12068676 + 309136 = 3474^2 + 556^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1547223 + ... + 1547230.

Almost surely, 2^12377812 is an apocalyptic number.

It is an amenable number.

12377812 is a deficient number, since it is larger than the sum of its proper divisors (9283366).

12377812 is a wasteful number, since it uses less digits than its factorization.

12377812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094457 (or 3094455 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 12377812 is about 3518.2114774413. The cubic root of 12377812 is about 231.3207689906.

The spelling of 12377812 in words is "twelve million, three hundred seventy-seven thousand, eight hundred twelve".