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12149136 = 243328123
BaseRepresentation
bin101110010110…
…000110010000
3211212020111000
4232112012100
511102233021
61112222000
7205160136
oct56260620
924766430
1012149136
11694890a
12409a900
132694b4c
141883756
1510eeb26
hexb96190

12149136 has 40 divisors (see below), whose sum is σ = 34873760. Its totient is φ = 4049568.

The previous prime is 12149107. The next prime is 12149141. The reversal of 12149136 is 63194121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 6.

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, 13630 + ... + 14493.

It is an arithmetic number, because the mean of its divisors is an integer number (871844).

Almost surely, 212149136 is an apocalyptic number.

12149136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12149136 is an abundant number, since it is smaller than the sum of its proper divisors (22724624).

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

12149136 is a wasteful number, since it uses less digits than its factorization.

12149136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28140 (or 28128 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 12149136 is about 3485.5610739162. The cubic root of 12149136 is about 229.8873802774.

The spelling of 12149136 in words is "twelve million, one hundred forty-nine thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 28123 56246 84369 112492 168738 224984 253107 337476 449968 506214 674952 759321 1012428 1349904 1518642 2024856 3037284 4049712 6074568 12149136