13100387 has 4 divisors (see below), whose sum is σ = 13871016. Its totient is φ = 12329760.

The previous prime is 13100377. The next prime is 13100401. The reversal of 13100387 is 78300131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13100387 - 2¹⁴ = 13084003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13100327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385289 + ... + 385322.

It is an arithmetic number, because the mean of its divisors is an integer number (3467754).

Almost surely, 2^13100387 is an apocalyptic number.

13100387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13100387 is a deficient number, since it is larger than the sum of its proper divisors (770629).

13100387 is an equidigital number, since it uses as much as digits as its factorization.

13100387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770628.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 13100387 is about 3619.4456757907. The cubic root of 13100387 is about 235.7371570968.

It can be divided in two parts, 13 and 100387, that multiplied together give a palindrome (1305031).

The spelling of 13100387 in words is "thirteen million, one hundred thousand, three hundred eighty-seven".