1312470 has 32 divisors (see below), whose sum is σ = 3500640. Its totient is φ = 349920.

The previous prime is 1312459. The next prime is 1312471. The reversal of 1312470 is 742131.

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

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 15 ways as a sum of consecutive naturals, for example, 2161 + ... + 2700.

It is an arithmetic number, because the mean of its divisors is an integer number (109395).

2^1312470 is an apocalyptic number.

1312470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312470 is an abundant number, since it is smaller than the sum of its proper divisors (2188170).

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

1312470 is a wasteful number, since it uses less digits than its factorization.

1312470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4877 (or 4871 counting only the distinct ones).

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

The square root of 1312470 is about 1145.6308305907. The cubic root of 1312470 is about 109.4871442967.

It can be divided in two parts, 131 and 2470, that added together give a square (2601 = 51²).

The spelling of 1312470 in words is "one million, three hundred twelve thousand, four hundred seventy".