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1250013 = 33113441
BaseRepresentation
bin100110001001011011101
32100111200210
410301023131
5310000023
642443033
713424232
oct4611335
92314623
101250013
11784176
12503479
13349c6b
14247789
1519a593
hex1312dd

1250013 has 8 divisors (see below), whose sum is σ = 1720576. Its totient is φ = 806400.

The previous prime is 1250009. The next prime is 1250021. The reversal of 1250013 is 3100521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1250013 - 22 = 1250009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250003) 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, 6628 + ... + 6813.

It is an arithmetic number, because the mean of its divisors is an integer number (215072).

21250013 is an apocalyptic number.

It is an amenable number.

1250013 is a deficient number, since it is larger than the sum of its proper divisors (470563).

1250013 is a wasteful number, since it uses less digits than its factorization.

1250013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13475.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1250013 is about 1118.0398025115. The cubic root of 1250013 is about 107.7221079356.

Adding to 1250013 its reverse (3100521), we get a palindrome (4350534).

The spelling of 1250013 in words is "one million, two hundred fifty thousand, thirteen".

Divisors: 1 3 31 93 13441 40323 416671 1250013