13238998515 has 12 divisors (see below), whose sum is σ = 22947597504. Its totient is φ = 7060799184.

The previous prime is 13238998469. The next prime is 13238998547. The reversal of 13238998515 is 51589983231.

13238998515 is a `hidden beast` number, since 1 + 3 + 2 + 38 + 9 + 98 + 515 = 666.

It is not a de Polignac number, because 13238998515 - 2¹⁶ = 13238932979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147099939 + ... + 147100028.

It is an arithmetic number, because the mean of its divisors is an integer number (1912299792).

Almost surely, 2^13238998515 is an apocalyptic number.

13238998515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13238998515 is a deficient number, since it is larger than the sum of its proper divisors (9708598989).

13238998515 is a wasteful number, since it uses less digits than its factorization.

13238998515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294199978 (or 294199975 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

It can be divided in two parts, 13238 and 998515, that added together give a triangular number (1011753 = T₁₄₂₂).

The spelling of 13238998515 in words is "thirteen billion, two hundred thirty-eight million, nine hundred ninety-eight thousand, five hundred fifteen".