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13083087 = 331313933
BaseRepresentation
bin110001111010…
…000111001111
3220121200121210
4301322013033
511322124322
61144225503
7216130053
oct61720717
926550553
1013083087
117426576
12446b293
132930c94
141a47c63
15123670c
hexc7a1cf

13083087 has 8 divisors (see below), whose sum is σ = 17501104. Its totient is φ = 8693568.

The previous prime is 13083071. The next prime is 13083131. The reversal of 13083087 is 78038031.

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

It is not a de Polignac number, because 13083087 - 24 = 13083071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13083787) 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, 6028 + ... + 7905.

It is an arithmetic number, because the mean of its divisors is an integer number (2187638).

Almost surely, 213083087 is an apocalyptic number.

13083087 is a deficient number, since it is larger than the sum of its proper divisors (4418017).

13083087 is a wasteful number, since it uses less digits than its factorization.

13083087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14249.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13083087 is about 3617.0550175523. The cubic root of 13083087 is about 235.6333421142.

Subtracting from 13083087 its product of nonzero digits (4032), we obtain a triangular number (13079055 = T5114).

The spelling of 13083087 in words is "thirteen million, eighty-three thousand, eighty-seven".

Divisors: 1 3 313 939 13933 41799 4361029 13083087