1312350 has 48 divisors (see below), whose sum is σ = 3510192. Its totient is φ = 322560.

The previous prime is 1312343. The next prime is 1312351. The reversal of 1312350 is 532131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312351) 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, 1614 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (73129).

2^1312350 is an apocalyptic number.

1312350 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 1312350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755096).

1312350 is an abundant number, since it is smaller than the sum of its proper divisors (2197842).

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

1312350 is a wasteful number, since it uses less digits than its factorization.

1312350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1312350 is about 1145.5784565013. The cubic root of 1312350 is about 109.4838073677.

Adding to 1312350 its reverse (532131), we get a palindrome (1844481).

The spelling of 1312350 in words is "one million, three hundred twelve thousand, three hundred fifty".