1395312 has 40 divisors (see below), whose sum is σ = 3697680. Its totient is φ = 453120.

The previous prime is 1395301. The next prime is 1395319. The reversal of 1395312 is 2135931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614 + ... + 2322.

It is an arithmetic number, because the mean of its divisors is an integer number (92442).

2^1395312 is an apocalyptic number.

1395312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1395312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848840).

1395312 is an abundant number, since it is smaller than the sum of its proper divisors (2302368).

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

1395312 is a wasteful number, since it uses less digits than its factorization.

1395312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 755 counting only the distinct ones).

The product of its digits is 810, while the sum is 24.

The square root of 1395312 is about 1181.2332538496. The cubic root of 1395312 is about 111.7438875786.

The spelling of 1395312 in words is "one million, three hundred ninety-five thousand, three hundred twelve".