12462978 has 16 divisors (see below), whose sum is σ = 27192096. Its totient is φ = 3776640.

The previous prime is 12462977. The next prime is 12462979. The reversal of 12462978 is 87926421.

12462978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12462977) and next prime (12462979).

It is not an unprimeable number, because it can be changed into a prime (12462973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94351 + ... + 94482.

It is an arithmetic number, because the mean of its divisors is an integer number (1699506).

Almost surely, 2^12462978 is an apocalyptic number.

12462978 is an abundant number, since it is smaller than the sum of its proper divisors (14729118).

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

12462978 is a wasteful number, since it uses less digits than its factorization.

12462978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188849.

The product of its digits is 48384, while the sum is 39.

The square root of 12462978 is about 3530.2943220077. The cubic root of 12462978 is about 231.8500939046.

It can be divided in two parts, 1246 and 2978, that added together give a palindrome (4224).

The spelling of 12462978 in words is "twelve million, four hundred sixty-two thousand, nine hundred seventy-eight".