12698315 has 16 divisors (see below), whose sum is σ = 17841600. Its totient is φ = 8494080.

The previous prime is 12698311. The next prime is 12698321. The reversal of 12698315 is 51389621.

It is not a de Polignac number, because 12698315 - 2² = 12698311 is a prime.

It is a super-2 number, since 2×12698315² = 322494407678450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (12698311) 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, 2990 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (1115100).

Almost surely, 2^12698315 is an apocalyptic number.

12698315 is a deficient number, since it is larger than the sum of its proper divisors (5143285).

12698315 is an equidigital number, since it uses as much as digits as its factorization.

12698315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8902.

The product of its digits is 12960, while the sum is 35.

The square root of 12698315 is about 3563.4695171981. The cubic root of 12698315 is about 233.3003366038.

Subtracting from 12698315 its sum of digits (35), we obtain a triangular number (12698280 = T₅₀₃₉).

The spelling of 12698315 in words is "twelve million, six hundred ninety-eight thousand, three hundred fifteen".