12265776 has 40 divisors (see below), whose sum is σ = 35208560. Its totient is φ = 4088448.

The previous prime is 12265769. The next prime is 12265783. The reversal of 12265776 is 67756221.

It is an interprime number because it is at equal distance from previous prime (12265769) and next prime (12265783).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12265776.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13765 + ... + 14628.

It is an arithmetic number, because the mean of its divisors is an integer number (880214).

Almost surely, 2^12265776 is an apocalyptic number.

12265776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12265776 is an abundant number, since it is smaller than the sum of its proper divisors (22942784).

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

12265776 is a wasteful number, since it uses less digits than its factorization.

12265776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28410 (or 28398 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 12265776 is about 3502.2529891486. The cubic root of 12265776 is about 230.6207303063.

It can be divided in two parts, 12265 and 776, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12265776 in words is "twelve million, two hundred sixty-five thousand, seven hundred seventy-six".