1047312 has 60 divisors (see below), whose sum is σ = 3352960. Its totient is φ = 298944.

The previous prime is 1047311. The next prime is 1047313. The reversal of 1047312 is 2137401.

It is an interprime number because it is at equal distance from previous prime (1047311) and next prime (1047313).

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1047311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489 + ... + 1527.

2^1047312 is an apocalyptic number.

1047312 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 1047312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676480).

1047312 is an abundant number, since it is smaller than the sum of its proper divisors (2305648).

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

1047312 is a wasteful number, since it uses less digits than its factorization.

1047312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1047312 is about 1023.3826263915. The cubic root of 1047312 is about 101.5528290752.

The spelling of 1047312 in words is "one million, forty-seven thousand, three hundred twelve".