12896145 has 16 divisors (see below), whose sum is σ = 22926720. Its totient is φ = 6877872.

The previous prime is 12896141. The next prime is 12896153. The reversal of 12896145 is 54169821.

It is not a de Polignac number, because 12896145 - 2² = 12896141 is a prime.

It is a super-2 number, since 2×12896145² = 332621111722050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12896141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47629 + ... + 47898.

It is an arithmetic number, because the mean of its divisors is an integer number (1432920).

Almost surely, 2^12896145 is an apocalyptic number.

12896145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12896145 is a deficient number, since it is larger than the sum of its proper divisors (10030575).

12896145 is an equidigital number, since it uses as much as digits as its factorization.

12896145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95541 (or 95535 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12896145 is about 3591.1202987369. The cubic root of 12896145 is about 234.5056455619.

It can be divided in two parts, 12896 and 145, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12896145 in words is "twelve million, eight hundred ninety-six thousand, one hundred forty-five".