1312430 has 16 divisors (see below), whose sum is σ = 2700000. Its totient is φ = 449952.

The previous prime is 1312411. The next prime is 1312459. The reversal of 1312430 is 342131.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 9305 + ... + 9444.

It is an arithmetic number, because the mean of its divisors is an integer number (168750).

2^1312430 is an apocalyptic number.

1312430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312430 is an abundant number, since it is smaller than the sum of its proper divisors (1387570).

1312430 is a wasteful number, since it uses less digits than its factorization.

1312430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18763.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1312430 is about 1145.6133728270. The cubic root of 1312430 is about 109.4860320096.

Adding to 1312430 its reverse (342131), we get a palindrome (1654561).

Subtracting from 1312430 its reverse (342131), we obtain a cube (970299 = 99³).

The spelling of 1312430 in words is "one million, three hundred twelve thousand, four hundred thirty".