12750455 has 8 divisors (see below), whose sum is σ = 15794304. Its totient is φ = 9871200.

The previous prime is 12750443. The next prime is 12750457. The reversal of 12750455 is 55405721.

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

It is not a de Polignac number, because 12750455 - 2¹⁰ = 12749431 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 (12750457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40976 + ... + 41285.

It is an arithmetic number, because the mean of its divisors is an integer number (1974288).

Almost surely, 2^12750455 is an apocalyptic number.

12750455 is a deficient number, since it is larger than the sum of its proper divisors (3043849).

12750455 is an equidigital number, since it uses as much as digits as its factorization.

12750455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82297.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 12750455 is about 3570.7779264468. Note that the first 3 decimals coincide. The cubic root of 12750455 is about 233.6192153515.

The spelling of 12750455 in words is "twelve million, seven hundred fifty thousand, four hundred fifty-five".