12728460888435 has 16 divisors (see below), whose sum is σ = 20374442390016. Its totient is φ = 6785544151008.

The previous prime is 12728460888421. The next prime is 12728460888449. The reversal of 12728460888435 is 53488806482721.

It is an interprime number because it is at equal distance from previous prime (12728460888421) and next prime (12728460888449).

It is not a de Polignac number, because 12728460888435 - 2⁷ = 12728460888307 is a prime.

It is a super-3 number, since 3×12728460888435³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185484729 + ... + 185553338.

It is an arithmetic number, because the mean of its divisors is an integer number (1273402649376).

Almost surely, 2^{12728460888435} is an apocalyptic number.

12728460888435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12728460888435 is a deficient number, since it is larger than the sum of its proper divisors (7645981501581).

12728460888435 is a wasteful number, since it uses less digits than its factorization.

12728460888435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371040362.

The product of its (nonzero) digits is 165150720, while the sum is 66.

The spelling of 12728460888435 in words is "twelve trillion, seven hundred twenty-eight billion, four hundred sixty million, eight hundred eighty-eight thousand, four hundred thirty-five".