12628904415 has 8 divisors (see below), whose sum is σ = 20206247088. Its totient is φ = 6735415680.

The previous prime is 12628904411. The next prime is 12628904429. The reversal of 12628904415 is 51440982621.

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

It is not a de Polignac number, because 12628904415 - 2² = 12628904411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12628904411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420963466 + ... + 420963495.

It is an arithmetic number, because the mean of its divisors is an integer number (2525780886).

Almost surely, 2^12628904415 is an apocalyptic number.

12628904415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12628904415 is a deficient number, since it is larger than the sum of its proper divisors (7577342673).

12628904415 is an equidigital number, since it uses as much as digits as its factorization.

12628904415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841926969.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 12628904415 in words is "twelve billion, six hundred twenty-eight million, nine hundred four thousand, four hundred fifteen".