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1313012 = 221719309
BaseRepresentation
bin101000000100011110100
32110201010002
411000203310
5314004022
644050432
714106011
oct5004364
92421102
101313012
11817538
12533a18
1336c83c
14262708
151ae092
hex1408f4

1313012 has 12 divisors (see below), whose sum is σ = 2433060. Its totient is φ = 617856.

The previous prime is 1312967. The next prime is 1313041. The reversal of 1313012 is 2103131.

It can be written as a sum of positive squares in 2 ways, for example, as 583696 + 729316 = 764^2 + 854^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1312984 and 1313002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9587 + ... + 9722.

It is an arithmetic number, because the mean of its divisors is an integer number (202755).

21313012 is an apocalyptic number.

It is an amenable number.

1313012 is a deficient number, since it is larger than the sum of its proper divisors (1120048).

1313012 is a wasteful number, since it uses less digits than its factorization.

1313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19330 (or 19328 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1313012 is about 1145.8673570706. The cubic root of 1313012 is about 109.5022135594.

Adding to 1313012 its reverse (2103131), we get a palindrome (3416143).

The spelling of 1313012 in words is "one million, three hundred thirteen thousand, twelve".

Divisors: 1 2 4 17 34 68 19309 38618 77236 328253 656506 1313012