1312230 has 64 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 314880.

The previous prime is 1312229. The next prime is 1312237. The reversal of 1312230 is 322131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15769 + ... + 15851.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2^1312230 is an apocalyptic number.

1312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741824).

1312230 is an abundant number, since it is smaller than the sum of its proper divisors (2171418).

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

1312230 is a wasteful number, since it uses less digits than its factorization.

1312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1312230 is about 1145.5260800174. The cubic root of 1312230 is about 109.4804702352.

Adding to 1312230 its reverse (322131), we get a palindrome (1634361).

Subtracting from 1312230 its reverse (322131), we obtain a palindrome (990099).

The spelling of 1312230 in words is "one million, three hundred twelve thousand, two hundred thirty".