Search a number
-
+
12455953 = 14983597
BaseRepresentation
bin101111100001…
…000000010001
3212102211100121
4233201000101
511142042303
61122550241
7210605506
oct57410021
925384317
1012455953
117038384
124208381
1327716b3
1419234ad
1511609bd
hexbe1011

12455953 has 4 divisors (see below), whose sum is σ = 12539700. Its totient is φ = 12372208.

The previous prime is 12455921. The next prime is 12455957. The reversal of 12455953 is 35955421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35955421 = 284312647.

It can be written as a sum of positive squares in 2 ways, for example, as 3794704 + 8661249 = 1948^2 + 2943^2 .

It is a cyclic number.

It is not a de Polignac number, because 12455953 - 25 = 12455921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12455957) 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, 41650 + ... + 41947.

It is an arithmetic number, because the mean of its divisors is an integer number (3134925).

Almost surely, 212455953 is an apocalyptic number.

It is an amenable number.

12455953 is a deficient number, since it is larger than the sum of its proper divisors (83747).

12455953 is an equidigital number, since it uses as much as digits as its factorization.

12455953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83746.

The product of its digits is 27000, while the sum is 34.

The square root of 12455953 is about 3529.2992222253. The cubic root of 12455953 is about 231.8065234452.

The spelling of 12455953 in words is "twelve million, four hundred fifty-five thousand, nine hundred fifty-three".

Divisors: 1 149 83597 12455953