13251790887 has 16 divisors (see below), whose sum is σ = 18788721120. Its totient is φ = 8279155712.

The previous prime is 13251790861. The next prime is 13251790913. The reversal of 13251790887 is 78809715231.

13251790887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13251790861) and next prime (13251790913).

It is a cyclic number.

It is not a de Polignac number, because 13251790887 - 2⁸ = 13251790631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251790087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545712 + ... + 569477.

It is an arithmetic number, because the mean of its divisors is an integer number (1174295070).

Almost surely, 2^13251790887 is an apocalyptic number.

13251790887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13251790887 is a deficient number, since it is larger than the sum of its proper divisors (5536930233).

13251790887 is a wasteful number, since it uses less digits than its factorization.

13251790887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115442.

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 13251790887 in words is "thirteen billion, two hundred fifty-one million, seven hundred ninety thousand, eight hundred eighty-seven".