12428862 has 16 divisors (see below), whose sum is σ = 24894480. Its totient is φ = 4136832.

The previous prime is 12428837. The next prime is 12428891. The reversal of 12428862 is 26882421.

It is a happy number.

It is a super-2 number, since 2×12428862² = 308953221230088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5028 + ... + 7080.

It is an arithmetic number, because the mean of its divisors is an integer number (1555905).

Almost surely, 2^12428862 is an apocalyptic number.

12428862 is an abundant number, since it is smaller than the sum of its proper divisors (12465618).

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

12428862 is a wasteful number, since it uses less digits than its factorization.

12428862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067.

The product of its digits is 12288, while the sum is 33.

The square root of 12428862 is about 3525.4591190368. The cubic root of 12428862 is about 231.6383460598.

The spelling of 12428862 in words is "twelve million, four hundred twenty-eight thousand, eight hundred sixty-two".