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13001330 = 251300133
BaseRepresentation
bin110001100110…
…001001110010
3220110112110202
4301212021302
511312020310
61142355202
7215336516
oct61461162
926415422
1013001330
117380101
12442bb02
1329029c4
141a26146
15121c3a5
hexc66272

13001330 has 8 divisors (see below), whose sum is σ = 23402412. Its totient is φ = 5200528.

The previous prime is 13001323. The next prime is 13001341. The reversal of 13001330 is 3310031.

It can be written as a sum of positive squares in 2 ways, for example, as 12880921 + 120409 = 3589^2 + 347^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 650057 + ... + 650076.

Almost surely, 213001330 is an apocalyptic number.

13001330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13001330 is a deficient number, since it is larger than the sum of its proper divisors (10401082).

13001330 is a wasteful number, since it uses less digits than its factorization.

13001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300140.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 13001330 is about 3605.7357085621. The cubic root of 13001330 is about 235.1414871528.

Adding to 13001330 its reverse (3310031), we get a palindrome (16311361).

It can be divided in two parts, 13001 and 330, that added together give a palindrome (13331).

The spelling of 13001330 in words is "thirteen million, one thousand, three hundred thirty".

Divisors: 1 2 5 10 1300133 2600266 6500665 13001330