12871430 has 32 divisors (see below), whose sum is σ = 27222048. Its totient is φ = 4320000.

The previous prime is 12871429. The next prime is 12871451. The reversal of 12871430 is 3417821.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 12871430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3071 + ... + 5930.

It is an arithmetic number, because the mean of its divisors is an integer number (850689).

Almost surely, 2^12871430 is an apocalyptic number.

12871430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12871430 is an abundant number, since it is smaller than the sum of its proper divisors (14350618).

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

12871430 is a wasteful number, since it uses less digits than its factorization.

12871430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9032.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12871430 is about 3587.6775217402. The cubic root of 12871430 is about 234.3557425363.

The spelling of 12871430 in words is "twelve million, eight hundred seventy-one thousand, four hundred thirty".