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12520752 = 243260849
BaseRepresentation
bin101111110000…
…110100110000
3212120010020120
4233300310300
511201131002
61124210240
7211265436
oct57606460
925503216
1012520752
117082032
124239980
13279503a
14193cd56
151174cbc
hexbf0d30

12520752 has 20 divisors (see below), whose sum is σ = 32345400. Its totient is φ = 4173568.

The previous prime is 12520751. The next prime is 12520757. The reversal of 12520752 is 25702521.

12520752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12520751) 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, 130377 + ... + 130472.

It is an arithmetic number, because the mean of its divisors is an integer number (1617270).

Almost surely, 212520752 is an apocalyptic number.

12520752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12520752 is an abundant number, since it is smaller than the sum of its proper divisors (19824648).

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

12520752 is a wasteful number, since it uses less digits than its factorization.

12520752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260860 (or 260854 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 12520752 is about 3538.4674648780. The cubic root of 12520752 is about 232.2078003435.

The spelling of 12520752 in words is "twelve million, five hundred twenty thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 260849 521698 782547 1043396 1565094 2086792 3130188 4173584 6260376 12520752