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12913652 = 223228413
BaseRepresentation
bin110001010000…
…101111110100
3220022002012102
4301100233310
511301214102
61140441232
7214523063
oct61205764
926262172
1012913652
117320244
1243a9218
1328a1b1b
141a021da
151201402
hexc50bf4

12913652 has 6 divisors (see below), whose sum is σ = 22598898. Its totient is φ = 6456824.

The previous prime is 12913651. The next prime is 12913661. The reversal of 12913652 is 25631921.

12913652 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 only one way, i.e., 10523536 + 2390116 = 3244^2 + 1546^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12913651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1614203 + ... + 1614210.

It is an arithmetic number, because the mean of its divisors is an integer number (3766483).

Almost surely, 212913652 is an apocalyptic number.

It is an amenable number.

12913652 is a deficient number, since it is larger than the sum of its proper divisors (9685246).

12913652 is a wasteful number, since it uses less digits than its factorization.

12913652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228417 (or 3228415 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 12913652 is about 3593.5570122095. The cubic root of 12913652 is about 234.6117143122.

The spelling of 12913652 in words is "twelve million, nine hundred thirteen thousand, six hundred fifty-two".

Divisors: 1 2 4 3228413 6456826 12913652