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13123132 = 22111012953
BaseRepresentation
bin110010000011…
…111000111100
3220200201112221
4302003320330
511324420012
61145135124
7216354601
oct62037074
926621487
1013123132
117453670
12448a4a4
132946289
141a586a8
151243507
hexc83e3c

13123132 has 24 divisors (see below), whose sum is σ = 25309872. Its totient is φ = 5904000.

The previous prime is 13123111. The next prime is 13123147. The reversal of 13123132 is 23132131.

13123132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2968 + ... + 5920.

It is an arithmetic number, because the mean of its divisors is an integer number (1054578).

Almost surely, 213123132 is an apocalyptic number.

It is an amenable number.

13123132 is a deficient number, since it is larger than the sum of its proper divisors (12186740).

13123132 is a wasteful number, since it uses less digits than its factorization.

13123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069 (or 3067 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 13123132 is about 3622.5863688807. The cubic root of 13123132 is about 235.8735078152.

Adding to 13123132 its reverse (23132131), we get a palindrome (36255263).

It can be divided in two parts, 1312 and 3132, that added together give a palindrome (4444).

The spelling of 13123132 in words is "thirteen million, one hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 101 202 404 1111 2222 2953 4444 5906 11812 32483 64966 129932 298253 596506 1193012 3280783 6561566 13123132