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13000672 = 25406271
BaseRepresentation
bin110001100101…
…111111100000
3220110111120101
4301211333200
511312010142
61142352144
7215334556
oct61457740
926414511
1013000672
11737a663
12442b654
132902609
141a25bd6
15121c0b7
hexc65fe0

13000672 has 12 divisors (see below), whose sum is σ = 25595136. Its totient is φ = 6500320.

The previous prime is 13000667. The next prime is 13000679. The reversal of 13000672 is 27600031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000679) 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 as a sum of consecutive naturals, namely, 203104 + ... + 203167.

It is an arithmetic number, because the mean of its divisors is an integer number (2132928).

Almost surely, 213000672 is an apocalyptic number.

It is an amenable number.

13000672 is a deficient number, since it is larger than the sum of its proper divisors (12594464).

13000672 is an equidigital number, since it uses as much as digits as its factorization.

13000672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406281 (or 406273 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13000672 is about 3605.6444638927. The cubic root of 13000672 is about 235.1375202328.

The spelling of 13000672 in words is "thirteen million, six hundred seventy-two", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 406271 812542 1625084 3250168 6500336 13000672