1312875 has 32 divisors (see below), whose sum is σ = 2433600. Its totient is φ = 698400.

The previous prime is 1312873. The next prime is 1312877. The reversal of 1312875 is 5782131.

It is an interprime number because it is at equal distance from previous prime (1312873) and next prime (1312877).

It is not a de Polignac number, because 1312875 - 2¹ = 1312873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1312873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3181 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (76050).

2^1312875 is an apocalyptic number.

1312875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1312875 is a deficient number, since it is larger than the sum of its proper divisors (1120725).

1312875 is an equidigital number, since it uses as much as digits as its factorization.

1312875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 397 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1312875 is about 1145.8075754681. The cubic root of 1312875 is about 109.4984049308.

It can be divided in two parts, 13128 and 75, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 1312875 in words is "one million, three hundred twelve thousand, eight hundred seventy-five".