Search a number
-
+
12448137 = 313319183
BaseRepresentation
bin101111011111…
…000110001001
3212102102122010
4233133012021
511141320022
61122450133
7210543642
oct57370611
925372563
1012448137
117032519
124203949
13276ac80
1419206c9
15115d50c
hexbdf189

12448137 has 8 divisors (see below), whose sum is σ = 17874304. Its totient is φ = 7660368.

The previous prime is 12448099. The next prime is 12448151. The reversal of 12448137 is 73184421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12448137 - 28 = 12447881 is a prime.

It is a super-2 number, since 2×124481372 = 309912229541538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12448157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159553 + ... + 159630.

It is an arithmetic number, because the mean of its divisors is an integer number (2234288).

Almost surely, 212448137 is an apocalyptic number.

It is an amenable number.

12448137 is a deficient number, since it is larger than the sum of its proper divisors (5426167).

12448137 is a wasteful number, since it uses less digits than its factorization.

12448137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319199.

The product of its digits is 5376, while the sum is 30.

The square root of 12448137 is about 3528.1917464900. The cubic root of 12448137 is about 231.7580277880.

The spelling of 12448137 in words is "twelve million, four hundred forty-eight thousand, one hundred thirty-seven".

Divisors: 1 3 13 39 319183 957549 4149379 12448137