1312472 has 32 divisors (see below), whose sum is σ = 2937600. Its totient is φ = 537504.

The previous prime is 1312471. The next prime is 1312513. The reversal of 1312472 is 2742131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312471) 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, 779 + ... + 1797.

It is an arithmetic number, because the mean of its divisors is an integer number (91800).

2^1312472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468800).

1312472 is an abundant number, since it is smaller than the sum of its proper divisors (1625128).

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

1312472 is a wasteful number, since it uses less digits than its factorization.

1312472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1051 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 1312472 is about 1145.6317034719. The cubic root of 1312472 is about 109.4871999105.

The spelling of 1312472 in words is "one million, three hundred twelve thousand, four hundred seventy-two".