1512312 has 32 divisors (see below), whose sum is σ = 3846480. Its totient is φ = 495360.

The previous prime is 1512311. The next prime is 1512323. The reversal of 1512312 is 2132151.

It is a junction number, because it is equal to n+sod(n) for n = 1512291 and 1512300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1512311) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 948 + ... + 1980.

2^1512312 is an apocalyptic number.

1512312 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 1512312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1923240).

1512312 is an abundant number, since it is smaller than the sum of its proper divisors (2334168).

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

1512312 is a wasteful number, since it uses less digits than its factorization.

1512312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1099 counting only the distinct ones).

The product of its digits is 60, while the sum is 15.

The square root of 1512312 is about 1229.7609523806. The cubic root of 1512312 is about 114.7837650600.

Adding to 1512312 its reverse (2132151), we get a palindrome (3644463).

It can be divided in two parts, 15123 and 12, that multiplied together give a square (181476 = 426²).

The spelling of 1512312 in words is "one million, five hundred twelve thousand, three hundred twelve".