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11292012 = 22321718451
BaseRepresentation
bin101011000100…
…110101101100
3210020200201200
4223010311230
510342321022
61042005500
7164660214
oct53046554
923220650
1011292012
116412946
123946890
132454984
1416dd244
15ed0bac
hexac4d6c

11292012 has 36 divisors (see below), whose sum is σ = 30224376. Its totient is φ = 3542400.

The previous prime is 11291999. The next prime is 11292037. The reversal of 11292012 is 21029211.

11292012 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8614 + ... + 9837.

It is an arithmetic number, because the mean of its divisors is an integer number (839566).

Almost surely, 211292012 is an apocalyptic number.

11292012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11292012 is an abundant number, since it is smaller than the sum of its proper divisors (18932364).

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

11292012 is a wasteful number, since it uses less digits than its factorization.

11292012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18478 (or 18473 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11292012 is about 3360.3589094024. The cubic root of 11292012 is about 224.3488134749.

The spelling of 11292012 in words is "eleven million, two hundred ninety-two thousand, twelve".