12278062 has 4 divisors (see below), whose sum is σ = 18417096. Its totient is φ = 6139030.

The previous prime is 12278039. The next prime is 12278083. The reversal of 12278062 is 26087221.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12278062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069514 + ... + 3069517.

It is an arithmetic number, because the mean of its divisors is an integer number (4604274).

Almost surely, 2^12278062 is an apocalyptic number.

12278062 is a deficient number, since it is larger than the sum of its proper divisors (6139034).

12278062 is an equidigital number, since it uses as much as digits as its factorization.

12278062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139033.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12278062 is about 3504.0065639208. The cubic root of 12278062 is about 230.6977049386.

The spelling of 12278062 in words is "twelve million, two hundred seventy-eight thousand, sixty-two".