Search a number
-
+
13120258 = 223212401
BaseRepresentation
bin110010000011…
…001100000010
3220200120121111
4302003030002
511324322013
61145113534
7216343324
oct62031402
926616544
1013120258
117451498
1244888aa
132944b88
141a57614
15124273d
hexc83302

13120258 has 12 divisors (see below), whose sum is σ = 20574918. Its totient is φ = 6274400.

The previous prime is 13120253. The next prime is 13120271. The reversal of 13120258 is 85202131.

It can be written as a sum of positive squares in only one way, i.e., 11744329 + 1375929 = 3427^2 + 1173^2 .

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5143 + ... + 7258.

Almost surely, 213120258 is an apocalyptic number.

13120258 is a deficient number, since it is larger than the sum of its proper divisors (7454660).

13120258 is a wasteful number, since it uses less digits than its factorization.

13120258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12449 (or 12426 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13120258 is about 3622.1896692470. The cubic root of 13120258 is about 235.8562875877.

Adding to 13120258 its reverse (85202131), we get a palindrome (98322389).

The spelling of 13120258 in words is "thirteen million, one hundred twenty thousand, two hundred fifty-eight".

Divisors: 1 2 23 46 529 1058 12401 24802 285223 570446 6560129 13120258