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12393748 = 2217182261
BaseRepresentation
bin101111010001…
…110100010100
3212022200000201
4233101310110
511133044443
61121350244
7210226243
oct57216424
925280021
1012393748
116aa5674
124198384
13274c2a3
14190895a
15114c34d
hexbd1d14

12393748 has 12 divisors (see below), whose sum is σ = 22965012. Its totient is φ = 5832320.

The previous prime is 12393743. The next prime is 12393791. The reversal of 12393748 is 84739321.

12393748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9253764 + 3139984 = 3042^2 + 1772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91063 + ... + 91198.

It is an arithmetic number, because the mean of its divisors is an integer number (1913751).

Almost surely, 212393748 is an apocalyptic number.

It is an amenable number.

12393748 is a deficient number, since it is larger than the sum of its proper divisors (10571264).

12393748 is a wasteful number, since it uses less digits than its factorization.

12393748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182282 (or 182280 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 12393748 is about 3520.4755360604. The cubic root of 12393748 is about 231.4199988841.

The spelling of 12393748 in words is "twelve million, three hundred ninety-three thousand, seven hundred forty-eight".

Divisors: 1 2 4 17 34 68 182261 364522 729044 3098437 6196874 12393748