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12945174 = 2311196139
BaseRepresentation
bin110001011000…
…011100010110
3220100200102220
4301120130112
511303221144
61141243210
7215014014
oct61303426
926320386
1012945174
1173419a0
124403506
1328b3288
141a0d8b4
15120a919
hexc58716

12945174 has 16 divisors (see below), whose sum is σ = 28244160. Its totient is φ = 3922760.

The previous prime is 12945173. The next prime is 12945187. The reversal of 12945174 is 47154921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12945173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98004 + ... + 98135.

It is an arithmetic number, because the mean of its divisors is an integer number (1765260).

Almost surely, 212945174 is an apocalyptic number.

12945174 is an abundant number, since it is smaller than the sum of its proper divisors (15298986).

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

12945174 is a wasteful number, since it uses less digits than its factorization.

12945174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196155.

The product of its digits is 10080, while the sum is 33.

The square root of 12945174 is about 3597.9402440841. The cubic root of 12945174 is about 234.8024535710.

The spelling of 12945174 in words is "twelve million, nine hundred forty-five thousand, one hundred seventy-four".

Divisors: 1 2 3 6 11 22 33 66 196139 392278 588417 1176834 2157529 4315058 6472587 12945174