12340776 has 128 divisors (see below), whose sum is σ = 38880000. Its totient is φ = 3182592.

The previous prime is 12340771. The next prime is 12340787. The reversal of 12340776 is 67704321.

12340776 = 844² + 845² + ... + 860².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82750 + ... + 82898.

It is an arithmetic number, because the mean of its divisors is an integer number (303750).

Almost surely, 2^12340776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12340776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19440000).

12340776 is an abundant number, since it is smaller than the sum of its proper divisors (26539224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12340776 is a wasteful number, since it uses less digits than its factorization.

12340776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 12340776 is about 3512.9440644565. The cubic root of 12340776 is about 231.0898247023.

The spelling of 12340776 in words is "twelve million, three hundred forty thousand, seven hundred seventy-six".