Search a number
-
+
12489753 = 34163251
BaseRepresentation
bin101111101001…
…010000011001
3212111112201110
4233221100121
511144133003
61123410533
7211106163
oct57512031
925445643
1012489753
117060811
124223a49
132783bb3
141931933
15116aa03
hexbe9419

12489753 has 4 divisors (see below), whose sum is σ = 16653008. Its totient is φ = 8326500.

The previous prime is 12489751. The next prime is 12489773. The reversal of 12489753 is 35798421.

12489753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12489753 - 21 = 12489751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12489751) 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, 2081623 + ... + 2081628.

It is an arithmetic number, because the mean of its divisors is an integer number (4163252).

Almost surely, 212489753 is an apocalyptic number.

It is an amenable number.

12489753 is a deficient number, since it is larger than the sum of its proper divisors (4163255).

12489753 is an equidigital number, since it uses as much as digits as its factorization.

12489753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163254.

The product of its digits is 60480, while the sum is 39.

The square root of 12489753 is about 3534.0844641859. The cubic root of 12489753 is about 232.0160078629.

The spelling of 12489753 in words is "twelve million, four hundred eighty-nine thousand, seven hundred fifty-three".

Divisors: 1 3 4163251 12489753