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12127494 = 2317118897
BaseRepresentation
bin101110010000…
…110100000110
3211211010210110
4232100310012
511101034434
61111533450
7205040061
oct56206406
924733713
1012127494
116933625
12408a286
132688042
1418798d8
1510e84e9
hexb90d06

12127494 has 16 divisors (see below), whose sum is σ = 25681968. Its totient is φ = 3804672.

The previous prime is 12127483. The next prime is 12127519. The reversal of 12127494 is 49472121.

It is a super-2 number, since 2×121274942 = 294152221440072, which contains 22 as substring.

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

It is a congruent number.

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, 59347 + ... + 59550.

It is an arithmetic number, because the mean of its divisors is an integer number (1605123).

Almost surely, 212127494 is an apocalyptic number.

12127494 is an abundant number, since it is smaller than the sum of its proper divisors (13554474).

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

12127494 is a wasteful number, since it uses less digits than its factorization.

12127494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118919.

The product of its digits is 4032, while the sum is 30.

The square root of 12127494 is about 3482.4551684121. The cubic root of 12127494 is about 229.7507949862.

It can be divided in two parts, 12127 and 494, that added together give a palindrome (12621).

The spelling of 12127494 in words is "twelve million, one hundred twenty-seven thousand, four hundred ninety-four".

Divisors: 1 2 3 6 17 34 51 102 118897 237794 356691 713382 2021249 4042498 6063747 12127494