12078774 has 16 divisors (see below), whose sum is σ = 26841840. Its totient is φ = 4026240.

The previous prime is 12078769. The next prime is 12078779. The reversal of 12078774 is 47787021.

It is an interprime number because it is at equal distance from previous prime (12078769) and next prime (12078779).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12078779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111787 + ... + 111894.

It is an arithmetic number, because the mean of its divisors is an integer number (1677615).

Almost surely, 2^12078774 is an apocalyptic number.

12078774 is an abundant number, since it is smaller than the sum of its proper divisors (14763066).

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

12078774 is a wasteful number, since it uses less digits than its factorization.

12078774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223692 (or 223686 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 12078774 is about 3475.4530639904. The cubic root of 12078774 is about 229.4427214055.

The spelling of 12078774 in words is "twelve million, seventy-eight thousand, seven hundred seventy-four".