12427870 has 48 divisors (see below), whose sum is σ = 28038528. Its totient is φ = 3931200.

The previous prime is 12427861. The next prime is 12427873. The reversal of 12427870 is 7872421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5395 + ... + 7345.

It is an arithmetic number, because the mean of its divisors is an integer number (584136).

Almost surely, 2^12427870 is an apocalyptic number.

12427870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12427870 is an abundant number, since it is smaller than the sum of its proper divisors (15610658).

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

12427870 is a wasteful number, since it uses less digits than its factorization.

12427870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 12427870 is about 3525.3184253341. The cubic root of 12427870 is about 231.6321832175.

The spelling of 12427870 in words is "twelve million, four hundred twenty-seven thousand, eight hundred seventy".