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12488061 = 34162687
BaseRepresentation
bin101111101000…
…110101111101
3212111110101210
4233220311331
511144104221
61123355033
7211101225
oct57506575
925443353
1012488061
11705a513
124222a79
1327831b1
141931085
15116a276
hexbe8d7d

12488061 has 4 divisors (see below), whose sum is σ = 16650752. Its totient is φ = 8325372.

The previous prime is 12488059. The next prime is 12488087. The reversal of 12488061 is 16088421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12488061 - 21 = 12488059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12488051) 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, 2081341 + ... + 2081346.

It is an arithmetic number, because the mean of its divisors is an integer number (4162688).

Almost surely, 212488061 is an apocalyptic number.

It is an amenable number.

12488061 is a deficient number, since it is larger than the sum of its proper divisors (4162691).

12488061 is an equidigital number, since it uses as much as digits as its factorization.

12488061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162690.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 12488061 is about 3533.8450730048. The cubic root of 12488061 is about 232.0055302388.

The spelling of 12488061 in words is "twelve million, four hundred eighty-eight thousand, sixty-one".

Divisors: 1 3 4162687 12488061