12377828 has 6 divisors (see below), whose sum is σ = 21661206. Its totient is φ = 6188912.

The previous prime is 12377791. The next prime is 12377843. The reversal of 12377828 is 82877321.

It can be written as a sum of positive squares in only one way, i.e., 6770404 + 5607424 = 2602^2 + 2368^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12377791 and 12377800.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1547225 + ... + 1547232.

It is an arithmetic number, because the mean of its divisors is an integer number (3610201).

Almost surely, 2^12377828 is an apocalyptic number.

It is an amenable number.

12377828 is a deficient number, since it is larger than the sum of its proper divisors (9283378).

12377828 is a wasteful number, since it uses less digits than its factorization.

12377828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094461 (or 3094459 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 12377828 is about 3518.2137513232. The cubic root of 12377828 is about 231.3208686617.

The spelling of 12377828 in words is "twelve million, three hundred seventy-seven thousand, eight hundred twenty-eight".