Search a number
-
+
1012797 = 3337511
BaseRepresentation
bin11110111010000111101
31220110022000
43313100331
5224402142
633412513
711415522
oct3672075
91813260
101012797
11631a25
1240a139
13295cb6
141c5149
1515014c
hexf743d

1012797 has 8 divisors (see below), whose sum is σ = 1500480. Its totient is φ = 675180.

The previous prime is 1012789. The next prime is 1012811. The reversal of 1012797 is 7972101.

It is not a de Polignac number, because 1012797 - 23 = 1012789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 37511 = 1012797 / (1 + 0 + 1 + 2 + 7 + 9 + 7).

1012797 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18729 + ... + 18782.

It is an arithmetic number, because the mean of its divisors is an integer number (187560).

21012797 is an apocalyptic number.

It is an amenable number.

1012797 is a deficient number, since it is larger than the sum of its proper divisors (487683).

1012797 is an equidigital number, since it uses as much as digits as its factorization.

1012797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37520 (or 37514 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 1012797 is about 1006.3781595404. The cubic root of 1012797 is about 100.4247599024.

Adding to 1012797 its reverse (7972101), we get a palindrome (8984898).

The spelling of 1012797 in words is "one million, twelve thousand, seven hundred ninety-seven".

Divisors: 1 3 9 27 37511 112533 337599 1012797