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12623172 = 2236071733
BaseRepresentation
bin110000001001…
…110101000100
3212202022201220
4300021311010
511212420142
61130320340
7212203152
oct60116504
925668656
1012623172
117141a81
1242890b0
1327cc843
1419683d2
1511952ec
hexc09d44

12623172 has 24 divisors (see below), whose sum is σ = 29519616. Its totient is φ = 4198368.

The previous prime is 12623089. The next prime is 12623189. The reversal of 12623172 is 27132621.

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, 6418 + ... + 8150.

It is an arithmetic number, because the mean of its divisors is an integer number (1229984).

Almost surely, 212623172 is an apocalyptic number.

12623172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12623172 is an abundant number, since it is smaller than the sum of its proper divisors (16896444).

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

12623172 is a wasteful number, since it uses less digits than its factorization.

12623172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347 (or 2345 counting only the distinct ones).

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

The square root of 12623172 is about 3552.9103563135. The cubic root of 12623172 is about 232.8392365463.

Adding to 12623172 its reverse (27132621), we get a palindrome (39755793).

The spelling of 12623172 in words is "twelve million, six hundred twenty-three thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 607 1214 1733 1821 2428 3466 3642 5199 6932 7284 10398 20796 1051931 2103862 3155793 4207724 6311586 12623172