1312254 has 32 divisors (see below), whose sum is σ = 3072000. Its totient is φ = 414072.

The previous prime is 1312237. The next prime is 1312277. The reversal of 1312254 is 4522131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387 + ... + 1665.

It is an arithmetic number, because the mean of its divisors is an integer number (96000).

2^1312254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536000).

1312254 is an abundant number, since it is smaller than the sum of its proper divisors (1759746).

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

1312254 is a wasteful number, since it uses less digits than its factorization.

1312254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309 (or 1303 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1312254 is about 1145.5365555058. The cubic root of 1312254 is about 109.4811376780.

Adding to 1312254 its reverse (4522131), we get a palindrome (5834385).

The spelling of 1312254 in words is "one million, three hundred twelve thousand, two hundred fifty-four".