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13084331 = 131952973
BaseRepresentation
bin110001111010…
…011010101011
3220121202022212
4301322122223
511322144311
61144235335
7216133511
oct61723253
926552285
1013084331
1174274a7
12446bb4b
132931710
141a484b1
151236c8b
hexc7a6ab

13084331 has 8 divisors (see below), whose sum is σ = 14832720. Its totient is φ = 11441952.

The previous prime is 13084327. The next prime is 13084333. The reversal of 13084331 is 13348031.

It is a happy number.

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

It is not a de Polignac number, because 13084331 - 22 = 13084327 is a prime.

It is a super-2 number, since 2×130843312 = 342399435435122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13084297 and 13084306.

It is not an unprimeable number, because it can be changed into a prime (13084333) 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, 26240 + ... + 26733.

It is an arithmetic number, because the mean of its divisors is an integer number (1854090).

Almost surely, 213084331 is an apocalyptic number.

13084331 is a deficient number, since it is larger than the sum of its proper divisors (1748389).

13084331 is a wasteful number, since it uses less digits than its factorization.

13084331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53005.

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

The square root of 13084331 is about 3617.2269765664. The cubic root of 13084331 is about 235.6408102443.

The spelling of 13084331 in words is "thirteen million, eighty-four thousand, three hundred thirty-one".

Divisors: 1 13 19 247 52973 688649 1006487 13084331