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13069895 = 52613979
BaseRepresentation
bin110001110110…
…111001000111
3220121000112012
4301312321013
511321214040
61144044435
7216043436
oct61667107
926530465
1013069895
117417673
12446371b
132927c87
141a4311d
151232865
hexc76e47

13069895 has 4 divisors (see below), whose sum is σ = 15683880. Its totient is φ = 10455912.

The previous prime is 13069883. The next prime is 13069897. The reversal of 13069895 is 59896031.

13069895 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59896031 = 134607387.

It is a cyclic number.

It is not a de Polignac number, because 13069895 - 210 = 13068871 is a prime.

It is a super-2 number, since 2×130698952 = 341644310622050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13069897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306985 + ... + 1306994.

It is an arithmetic number, because the mean of its divisors is an integer number (3920970).

Almost surely, 213069895 is an apocalyptic number.

13069895 is a deficient number, since it is larger than the sum of its proper divisors (2613985).

13069895 is an equidigital number, since it uses as much as digits as its factorization.

13069895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613984.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 13069895 is about 3615.2309746405. The cubic root of 13069895 is about 235.5541171724.

The spelling of 13069895 in words is "thirteen million, sixty-nine thousand, eight hundred ninety-five".

Divisors: 1 5 2613979 13069895