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1295013 = 3431671
BaseRepresentation
bin100111100001010100101
32102210102110
410330022211
5312420023
643431233
714002356
oct4741245
92383373
101295013
11804a65
12525519
133645a5
14259d2d
151a8a93
hex13c2a5

1295013 has 4 divisors (see below), whose sum is σ = 1726688. Its totient is φ = 863340.

The previous prime is 1295003. The next prime is 1295027. The reversal of 1295013 is 3105921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1295013 - 28 = 1294757 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215833 + ... + 215838.

It is an arithmetic number, because the mean of its divisors is an integer number (431672).

21295013 is an apocalyptic number.

It is an amenable number.

1295013 is a deficient number, since it is larger than the sum of its proper divisors (431675).

1295013 is an equidigital number, since it uses as much as digits as its factorization.

1295013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431674.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1295013 is about 1137.9863795318. The cubic root of 1295013 is about 108.9995511022. Note that the first 3 decimals are identical.

The spelling of 1295013 in words is "one million, two hundred ninety-five thousand, thirteen".

Divisors: 1 3 431671 1295013