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13032680 = 2351671951
BaseRepresentation
bin110001101101…
…110011101000
3220112010110212
4301231303220
511314021210
61143200252
7215530103
oct61556350
926463425
1013032680
1173a1711
124446088
13291405b
141a3373a
151226805
hexc6dce8

13032680 has 32 divisors (see below), whose sum is σ = 29514240. Its totient is φ = 5179200.

The previous prime is 13032671. The next prime is 13032703. The reversal of 13032680 is 8623031.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 5705 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (922320).

Almost surely, 213032680 is an apocalyptic number.

13032680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13032680 is an abundant number, since it is smaller than the sum of its proper divisors (16481560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13032680 is a wasteful number, since it uses less digits than its factorization.

13032680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129 (or 2125 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13032680 is about 3610.0803315162. The cubic root of 13032680 is about 235.3303336901.

The spelling of 13032680 in words is "thirteen million, thirty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 167 334 668 835 1336 1670 1951 3340 3902 6680 7804 9755 15608 19510 39020 78040 325817 651634 1303268 1629085 2606536 3258170 6516340 13032680