Search a number
-
+
12761232 = 2431124169
BaseRepresentation
bin110000101011…
…100010010000
3220000100010020
4300223202100
511231324412
61133303440
7213316521
oct60534220
926010106
1012761232
117226780
124334b80
13284a633
1419a2848
1511c118c
hexc2b890

12761232 has 40 divisors (see below), whose sum is σ = 35964960. Its totient is φ = 3866880.

The previous prime is 12761219. The next prime is 12761257. The reversal of 12761232 is 23216721.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

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, 11557 + ... + 12612.

It is an arithmetic number, because the mean of its divisors is an integer number (899124).

Almost surely, 212761232 is an apocalyptic number.

12761232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12761232 is an abundant number, since it is smaller than the sum of its proper divisors (23203728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12761232 is a wasteful number, since it uses less digits than its factorization.

12761232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24191 (or 24185 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 12761232 is about 3572.2866626294. The cubic root of 12761232 is about 233.6850170626.

Adding to 12761232 its reverse (23216721), we get a palindrome (35977953).

The spelling of 12761232 in words is "twelve million, seven hundred sixty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 24169 48338 72507 96676 145014 193352 265859 290028 386704 531718 580056 797577 1063436 1160112 1595154 2126872 3190308 4253744 6380616 12761232