Search a number
-
+
12896357 = 35935923
BaseRepresentation
bin110001001100…
…100001100101
3220021012110212
4301030201211
511300140412
61140225205
7214421465
oct61144145
926235425
1012896357
117309251
12439b205
132896ca6
1419d9ba5
1511eb222
hexc4c865

12896357 has 4 divisors (see below), whose sum is σ = 12932640. Its totient is φ = 12860076.

The previous prime is 12896347. The next prime is 12896371. The reversal of 12896357 is 75369821.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75369821 = 122361627.

It is a cyclic number.

It is not a de Polignac number, because 12896357 - 26 = 12896293 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 (12896347) 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, 17603 + ... + 18320.

It is an arithmetic number, because the mean of its divisors is an integer number (3233160).

Almost surely, 212896357 is an apocalyptic number.

It is an amenable number.

12896357 is a deficient number, since it is larger than the sum of its proper divisors (36283).

12896357 is an equidigital number, since it uses as much as digits as its factorization.

12896357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36282.

The product of its digits is 90720, while the sum is 41.

The square root of 12896357 is about 3591.1498158668. The cubic root of 12896357 is about 234.5069305693.

The spelling of 12896357 in words is "twelve million, eight hundred ninety-six thousand, three hundred fifty-seven".

Divisors: 1 359 35923 12896357