Search a number
-
+
12790141 = 713140551
BaseRepresentation
bin110000110010…
…100101111101
3220001210202221
4300302211331
511233241031
61134045341
7213500020
oct60624575
926053687
1012790141
117246471
124349851
13285a840
1419ad1b7
1511c9a11
hexc3297d

12790141 has 8 divisors (see below), whose sum is σ = 15741824. Its totient is φ = 10119600.

The previous prime is 12790109. The next prime is 12790147. The reversal of 12790141 is 14109721.

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 12790141 - 25 = 12790109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12790147) 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, 70185 + ... + 70366.

It is an arithmetic number, because the mean of its divisors is an integer number (1967728).

Almost surely, 212790141 is an apocalyptic number.

It is an amenable number.

12790141 is a deficient number, since it is larger than the sum of its proper divisors (2951683).

12790141 is a wasteful number, since it uses less digits than its factorization.

12790141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140571.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 12790141 is about 3576.3306614462. The cubic root of 12790141 is about 233.8613455248.

Adding to 12790141 its reverse (14109721), we get a palindrome (26899862).

It can be divided in two parts, 127901 and 41, that multiplied together give a triangular number (5243941 = T3238).

The spelling of 12790141 in words is "twelve million, seven hundred ninety thousand, one hundred forty-one".

Divisors: 1 7 13 91 140551 983857 1827163 12790141