1375812 has 24 divisors (see below), whose sum is σ = 3567200. Its totient is φ = 458568.

The previous prime is 1375807. The next prime is 1375813. The reversal of 1375812 is 2185731.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (1375813) 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, 6262 + ... + 6477.

2^1375812 is an apocalyptic number.

1375812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1375812 is an abundant number, since it is smaller than the sum of its proper divisors (2191388).

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

1375812 is a wasteful number, since it uses less digits than its factorization.

1375812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12752 (or 12744 counting only the distinct ones).

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

The square root of 1375812 is about 1172.9501268170. The cubic root of 1375812 is about 111.2208895766.

It can be divided in two parts, 1375 and 812, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1375812 in words is "one million, three hundred seventy-five thousand, eight hundred twelve".