12077955 has 24 divisors (see below), whose sum is σ = 21158592. Its totient is φ = 6372864.

The previous prime is 12077951. The next prime is 12077957. The reversal of 12077955 is 55977021.

It is not a de Polignac number, because 12077955 - 2² = 12077951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12077951) 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 23 ways as a sum of consecutive naturals, for example, 2982 + ... + 5748.

It is an arithmetic number, because the mean of its divisors is an integer number (881608).

Almost surely, 2^12077955 is an apocalyptic number.

12077955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12077955 is a deficient number, since it is larger than the sum of its proper divisors (9080637).

12077955 is a wasteful number, since it uses less digits than its factorization.

12077955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 12077955 is about 3475.3352356284. The cubic root of 12077955 is about 229.4375355085.

The spelling of 12077955 in words is "twelve million, seventy-seven thousand, nine hundred fifty-five".