Search a number
-
+
13060551 = 373131987
BaseRepresentation
bin110001110100…
…100111000111
3220120112201010
4301310213013
511320414201
61143533303
7216004260
oct61644707
926515633
1013060551
117410649
12445a233
13292394a
141a3d967
15122ebd6
hexc749c7

13060551 has 16 divisors (see below), whose sum is σ = 19975424. Its totient is φ = 7435584.

The previous prime is 13060549. The next prime is 13060559. The reversal of 13060551 is 15506031.

It is a happy number.

13060551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13060551 - 21 = 13060549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13060559) 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 15 ways as a sum of consecutive naturals, for example, 5580 + ... + 7566.

It is an arithmetic number, because the mean of its divisors is an integer number (1248464).

Almost surely, 213060551 is an apocalyptic number.

13060551 is a deficient number, since it is larger than the sum of its proper divisors (6914873).

13060551 is a wasteful number, since it uses less digits than its factorization.

13060551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 13060551 is about 3613.9384333439. The cubic root of 13060551 is about 235.4979692488.

Adding to 13060551 its reverse (15506031), we get a palindrome (28566582).

The spelling of 13060551 in words is "thirteen million, sixty thousand, five hundred fifty-one".

Divisors: 1 3 7 21 313 939 1987 2191 5961 6573 13909 41727 621931 1865793 4353517 13060551