12077442 has 24 divisors (see below), whose sum is σ = 28181244. Its totient is φ = 3716064.

The previous prime is 12077437. The next prime is 12077447. The reversal of 12077442 is 24477021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12077437) and next prime (12077447).

It can be written as a sum of positive squares in 2 ways, for example, as 11229201 + 848241 = 3351^2 + 921^2 .

It is not an unprimeable number, because it can be changed into a prime (12077447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25573 + ... + 26040.

Almost surely, 2^12077442 is an apocalyptic number.

12077442 is an abundant number, since it is smaller than the sum of its proper divisors (16103802).

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

12077442 is a wasteful number, since it uses less digits than its factorization.

12077442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51634 (or 51631 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 12077442 is about 3475.2614290151. The cubic root of 12077442 is about 229.4342870799.

It can be divided in two parts, 1207 and 7442, that added together give a square (8649 = 93²).

The spelling of 12077442 in words is "twelve million, seventy-seven thousand, four hundred forty-two".