13187497803 has 8 divisors (see below), whose sum is σ = 17684968848. Its totient is φ = 8740845984.

The previous prime is 13187497759. The next prime is 13187497819. The reversal of 13187497803 is 30879478131.

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

It is not a de Polignac number, because 13187497803 - 2¹² = 13187493707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13187497003) 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, 12704200 + ... + 12705237.

It is an arithmetic number, because the mean of its divisors is an integer number (2210621106).

Almost surely, 2^13187497803 is an apocalyptic number.

13187497803 is a deficient number, since it is larger than the sum of its proper divisors (4497471045).

13187497803 is a wasteful number, since it uses less digits than its factorization.

13187497803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25409613.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 13187497803 in words is "thirteen billion, one hundred eighty-seven million, four hundred ninety-seven thousand, eight hundred three".