13161003 has 8 divisors (see below), whose sum is σ = 17568768. Its totient is φ = 8763624.

The previous prime is 13160993. The next prime is 13161017. The reversal of 13161003 is 30016131.

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

It is not a de Polignac number, because 13161003 - 2⁵ = 13160971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13161023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (2196096).

Almost surely, 2^13161003 is an apocalyptic number.

13161003 is a deficient number, since it is larger than the sum of its proper divisors (4407765).

13161003 is a wasteful number, since it uses less digits than its factorization.

13161003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 13161003 is about 3627.8096697594. The cubic root of 13161003 is about 236.1001860853.

Adding to 13161003 its reverse (30016131), we get a palindrome (43177134).

The spelling of 13161003 in words is "thirteen million, one hundred sixty-one thousand, three".