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12193932 = 22310110061
BaseRepresentation
bin101110100001…
…000010001100
3211221111221010
4232201002030
511110201212
61113205220
7205434552
oct56410214
924844833
1012193932
116979533
124100810
1326ac35a
141895bd2
15110d03c
hexba108c

12193932 has 24 divisors (see below), whose sum is σ = 28737072. Its totient is φ = 4024000.

The previous prime is 12193931. The next prime is 12193957. The reversal of 12193932 is 23939121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12193932.

It is not an unprimeable number, because it can be changed into a prime (12193931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3819 + ... + 6242.

It is an arithmetic number, because the mean of its divisors is an integer number (1197378).

Almost surely, 212193932 is an apocalyptic number.

12193932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12193932 is an abundant number, since it is smaller than the sum of its proper divisors (16543140).

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

12193932 is a wasteful number, since it uses less digits than its factorization.

12193932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10169 (or 10167 counting only the distinct ones).

The product of its digits is 2916, while the sum is 30.

The square root of 12193932 is about 3491.9810996052. The cubic root of 12193932 is about 230.1695787827.

It can be divided in two parts, 1219 and 3932, that added together give a triangular number (5151 = T101).

The spelling of 12193932 in words is "twelve million, one hundred ninety-three thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 10061 20122 30183 40244 60366 120732 1016161 2032322 3048483 4064644 6096966 12193932