13121035 has 8 divisors (see below), whose sum is σ = 15821136. Its totient is φ = 10446240.

The previous prime is 13121033. The next prime is 13121041. The reversal of 13121035 is 53012131.

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

It is not a de Polignac number, because 13121035 - 2¹ = 13121033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121033) 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, 5164 + ... + 7273.

It is an arithmetic number, because the mean of its divisors is an integer number (1977642).

Almost surely, 2^13121035 is an apocalyptic number.

13121035 is a deficient number, since it is larger than the sum of its proper divisors (2700101).

13121035 is a wasteful number, since it uses less digits than its factorization.

13121035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12653.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13121035 is about 3622.2969232243. The cubic root of 13121035 is about 235.8609434087.

Adding to 13121035 its reverse (53012131), we get a palindrome (66133166).

The spelling of 13121035 in words is "thirteen million, one hundred twenty-one thousand, thirty-five".