12859452015 has 8 divisors (see below), whose sum is σ = 20575123248. Its totient is φ = 6858374400.

The previous prime is 12859451993. The next prime is 12859452037. The reversal of 12859452015 is 51025495821.

It is an interprime number because it is at equal distance from previous prime (12859451993) and next prime (12859452037).

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

It is not a de Polignac number, because 12859452015 - 2⁶ = 12859451951 is a prime.

It is a super-2 number, since 2×12859452015² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428648386 + ... + 428648415.

It is an arithmetic number, because the mean of its divisors is an integer number (2571890406).

Almost surely, 2^12859452015 is an apocalyptic number.

12859452015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12859452015 is a deficient number, since it is larger than the sum of its proper divisors (7715671233).

12859452015 is an equidigital number, since it uses as much as digits as its factorization.

12859452015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857296809.

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 12859452015 in words is "twelve billion, eight hundred fifty-nine million, four hundred fifty-two thousand, fifteen".