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12408957 = 341119733
BaseRepresentation
bin101111010101…
…100001111101
3212100102220000
4233111201331
511134041312
61121544513
7210321501
oct57254175
925312800
1012408957
117006040
1241a5139
1327561a2
141910301
151151adc
hexbd587d

12408957 has 40 divisors (see below), whose sum is σ = 21315360. Its totient is φ = 7115040.

The previous prime is 12408923. The next prime is 12408971. The reversal of 12408957 is 75980421.

It is not a de Polignac number, because 12408957 - 214 = 12392573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12408757) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16563 + ... + 17295.

It is an arithmetic number, because the mean of its divisors is an integer number (532884).

Almost surely, 212408957 is an apocalyptic number.

It is an amenable number.

12408957 is a deficient number, since it is larger than the sum of its proper divisors (8906403).

12408957 is a wasteful number, since it uses less digits than its factorization.

12408957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 12408957 is about 3522.6349512829. The cubic root of 12408957 is about 231.5146226149.

The spelling of 12408957 in words is "twelve million, four hundred eight thousand, nine hundred fifty-seven".

Divisors: 1 3 9 11 19 27 33 57 81 99 171 209 297 513 627 733 891 1539 1881 2199 5643 6597 8063 13927 16929 19791 24189 41781 59373 72567 125343 153197 217701 376029 459591 653103 1128087 1378773 4136319 12408957