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12923274 = 2371323669
BaseRepresentation
bin110001010011…
…000110001010
3220022120101210
4301103012022
511302021044
61140553550
7214563120
oct61230612
926276353
1012923274
1173274a1
1243b28b6
1328a6310
141a05910
1512041b9
hexc5318a

12923274 has 32 divisors (see below), whose sum is σ = 31812480. Its totient is φ = 3408192.

The previous prime is 12923269. The next prime is 12923279. The reversal of 12923274 is 47232921.

It is an interprime number because it is at equal distance from previous prime (12923269) and next prime (12923279).

It is a super-2 number, since 2×129232742 = 334022021758152, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (12923279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11289 + ... + 12380.

It is an arithmetic number, because the mean of its divisors is an integer number (994140).

Almost surely, 212923274 is an apocalyptic number.

12923274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12923274 is an abundant number, since it is smaller than the sum of its proper divisors (18889206).

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

12923274 is a wasteful number, since it uses less digits than its factorization.

12923274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23694.

The product of its digits is 6048, while the sum is 30.

The square root of 12923274 is about 3594.8955478567. The cubic root of 12923274 is about 234.6699698047.

The spelling of 12923274 in words is "twelve million, nine hundred twenty-three thousand, two hundred seventy-four".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 23669 47338 71007 142014 165683 307697 331366 497049 615394 923091 994098 1846182 2153879 4307758 6461637 12923274