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13252983 = 310940529
BaseRepresentation
bin110010100011…
…100101110111
3220221022200020
4302203211313
511343043413
61152020223
7220435302
oct62434567
926838606
1013252983
117532187
124531673
132990403
141a8db39
15126bc23
hexca3977

13252983 has 8 divisors (see below), whose sum is σ = 17833200. Its totient is φ = 8754048.

The previous prime is 13252973. The next prime is 13252997. The reversal of 13252983 is 38925231.

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

It is a de Polignac number, because none of the positive numbers 2k-13252983 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13252933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19938 + ... + 20591.

It is an arithmetic number, because the mean of its divisors is an integer number (2229150).

Almost surely, 213252983 is an apocalyptic number.

13252983 is a deficient number, since it is larger than the sum of its proper divisors (4580217).

13252983 is a wasteful number, since it uses less digits than its factorization.

13252983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40641.

The product of its digits is 12960, while the sum is 33.

The square root of 13252983 is about 3640.4646681433. The cubic root of 13252983 is about 236.6489309815.

The spelling of 13252983 in words is "thirteen million, two hundred fifty-two thousand, nine hundred eighty-three".

Divisors: 1 3 109 327 40529 121587 4417661 13252983