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13014985 = 56913767
BaseRepresentation
bin110001101001…
…011111001001
3220111020012111
4301221133021
511312434420
61142542321
7215424364
oct61513711
926436174
1013014985
11738a395
1244379a1
132908c99
141a2b0db
15122145a
hexc697c9

13014985 has 8 divisors (see below), whose sum is σ = 15644736. Its totient is φ = 10394160.

The previous prime is 13014983. The next prime is 13015003. The reversal of 13014985 is 58941031.

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

It is not a de Polignac number, because 13014985 - 21 = 13014983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13014983) 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 7 ways as a sum of consecutive naturals, for example, 1572 + ... + 5338.

It is an arithmetic number, because the mean of its divisors is an integer number (1955592).

Almost surely, 213014985 is an apocalyptic number.

It is an amenable number.

13014985 is a deficient number, since it is larger than the sum of its proper divisors (2629751).

13014985 is an equidigital number, since it uses as much as digits as its factorization.

13014985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 13014985 is about 3607.6287225822. The cubic root of 13014985 is about 235.2237795943.

The spelling of 13014985 in words is "thirteen million, fourteen thousand, nine hundred eighty-five".

Divisors: 1 5 691 3455 3767 18835 2602997 13014985