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13287338 = 252312703
BaseRepresentation
bin110010101011…
…111110101010
3221000001210122
4302223332222
511400143323
61152443242
7220640411
oct62537652
927001718
1013287338
117555a79
124549522
1329a2c3c
141a9c478
151276ec8
hexcabfaa

13287338 has 8 divisors (see below), whose sum is σ = 19970688. Its totient is φ = 6630444.

The previous prime is 13287317. The next prime is 13287341. The reversal of 13287338 is 83378231.

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

It is a super-2 number, since 2×132873382 = 353106702252488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13287298 and 13287307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5306 + ... + 7397.

It is an arithmetic number, because the mean of its divisors is an integer number (2496336).

Almost surely, 213287338 is an apocalyptic number.

13287338 is a deficient number, since it is larger than the sum of its proper divisors (6683350).

13287338 is a wasteful number, since it uses less digits than its factorization.

13287338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13228.

The product of its digits is 24192, while the sum is 35.

The square root of 13287338 is about 3645.1801052897. The cubic root of 13287338 is about 236.8532386727.

The spelling of 13287338 in words is "thirteen million, two hundred eighty-seven thousand, three hundred thirty-eight".

Divisors: 1 2 523 1046 12703 25406 6643669 13287338