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12488025 = 3521115137
BaseRepresentation
bin101111101000…
…110101011001
3212111110100110
4233220311121
511144104100
61123354533
7211101144
oct57506531
925443313
1012488025
11705a490
124222a49
132783184
14193105b
15116a250
hexbe8d59

12488025 has 24 divisors (see below), whose sum is σ = 22525344. Its totient is φ = 6054400.

The previous prime is 12488023. The next prime is 12488033. The reversal of 12488025 is 52088421.

It is not a de Polignac number, because 12488025 - 21 = 12488023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12487983 and 12488001.

It is not an unprimeable number, because it can be changed into a prime (12488023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6744 + ... + 8393.

It is an arithmetic number, because the mean of its divisors is an integer number (938556).

Almost surely, 212488025 is an apocalyptic number.

12488025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12488025 is a deficient number, since it is larger than the sum of its proper divisors (10037319).

12488025 is a wasteful number, since it uses less digits than its factorization.

12488025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15161 (or 15156 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 12488025 is about 3533.8399793992. The cubic root of 12488025 is about 232.0053073003.

The spelling of 12488025 in words is "twelve million, four hundred eighty-eight thousand, twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 825 15137 45411 75685 166507 227055 378425 499521 832535 1135275 2497605 4162675 12488025