13187370999293 has 8 divisors (see below), whose sum is σ = 13761111513600. Its totient is φ = 12613661864848.

The previous prime is 13187370999287. The next prime is 13187370999343. The reversal of 13187370999293 is 39299907378131.

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

It is a cyclic number.

It is not a de Polignac number, because 13187370999293 - 2⁴ = 13187370999277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13187370999233) 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, 6984173 + ... + 8669106.

It is an arithmetic number, because the mean of its divisors is an integer number (1720138939200).

Almost surely, 2^{13187370999293} is an apocalyptic number.

It is an amenable number.

13187370999293 is a deficient number, since it is larger than the sum of its proper divisors (573740514307).

13187370999293 is a wasteful number, since it uses less digits than its factorization.

13187370999293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15689931.

The product of its (nonzero) digits is 138883248, while the sum is 71.

Adding to 13187370999293 its sum of digits (71), we get a square (13187370999364 = 3631442²).

The spelling of 13187370999293 in words is "thirteen trillion, one hundred eighty-seven billion, three hundred seventy million, nine hundred ninety-nine thousand, two hundred ninety-three".