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12954388 = 223238597
BaseRepresentation
bin110001011010…
…101100010100
3220101011002011
4301122230110
511304020023
61141354004
7215052616
oct61325424
926334064
1012954388
117348907
124408904
1328b7525
141a12db6
15120d50d
hexc5ab14

12954388 has 6 divisors (see below), whose sum is σ = 22670186. Its totient is φ = 6477192.

The previous prime is 12954379. The next prime is 12954407. The reversal of 12954388 is 88345921.

It can be written as a sum of positive squares in only one way, i.e., 6543364 + 6411024 = 2558^2 + 2532^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12954388.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1619295 + ... + 1619302.

Almost surely, 212954388 is an apocalyptic number.

It is an amenable number.

12954388 is a deficient number, since it is larger than the sum of its proper divisors (9715798).

12954388 is a wasteful number, since it uses less digits than its factorization.

12954388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238601 (or 3238599 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 12954388 is about 3599.2204711576. The cubic root of 12954388 is about 234.8581488881.

The spelling of 12954388 in words is "twelve million, nine hundred fifty-four thousand, three hundred eighty-eight".

Divisors: 1 2 4 3238597 6477194 12954388