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13084497 = 34672411
BaseRepresentation
bin110001111010…
…011101010001
3220121202120000
4301322131101
511322200442
61144240213
7216134136
oct61723521
926552500
1013084497
117427638
124470069
13293180a
141a4858d
151236d4c
hexc7a751

13084497 has 20 divisors (see below), whose sum is σ = 19845936. Its totient is φ = 8589240.

The previous prime is 13084457. The next prime is 13084517. The reversal of 13084497 is 79448031.

It is a happy number.

It is not a de Polignac number, because 13084497 - 26 = 13084433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13084417) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 4222 + ... + 6632.

Almost surely, 213084497 is an apocalyptic number.

13084497 is the 1809-th decagonal number.

It is an amenable number.

13084497 is a deficient number, since it is larger than the sum of its proper divisors (6761439).

13084497 is an equidigital number, since it uses as much as digits as its factorization.

13084497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13084497 is about 3617.2499222476. The cubic root of 13084497 is about 235.6418067597.

The spelling of 13084497 in words is "thirteen million, eighty-four thousand, four hundred ninety-seven".

Divisors: 1 3 9 27 67 81 201 603 1809 2411 5427 7233 21699 65097 161537 195291 484611 1453833 4361499 13084497