Search a number
-
+
13139773 = 193718691
BaseRepresentation
bin110010000111…
…111100111101
3220201120101021
4302013330331
511330433043
61145344141
7216454243
oct62077475
926646337
1013139773
117465119
124498051
132950a1a
141a60793
1512483ed
hexc87f3d

13139773 has 8 divisors (see below), whose sum is σ = 14205920. Its totient is φ = 12111120.

The previous prime is 13139767. The next prime is 13139783. The reversal of 13139773 is 37793131.

It is a happy number.

13139773 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13139773 - 25 = 13139741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13139723) 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, 8643 + ... + 10048.

It is an arithmetic number, because the mean of its divisors is an integer number (1775740).

Almost surely, 213139773 is an apocalyptic number.

It is an amenable number.

13139773 is a deficient number, since it is larger than the sum of its proper divisors (1066147).

13139773 is a wasteful number, since it uses less digits than its factorization.

13139773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18747.

The product of its digits is 11907, while the sum is 34.

The square root of 13139773 is about 3624.8824808537. The cubic root of 13139773 is about 235.9731667759.

The spelling of 13139773 in words is "thirteen million, one hundred thirty-nine thousand, seven hundred seventy-three".

Divisors: 1 19 37 703 18691 355129 691567 13139773