12912035 has 4 divisors (see below), whose sum is σ = 15494448. Its totient is φ = 10329624.

The previous prime is 12912017. The next prime is 12912037. The reversal of 12912035 is 53021921.

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

It is a cyclic number.

It is not a de Polignac number, because 12912035 - 2¹⁰ = 12911011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12912035.

It is not an unprimeable number, because it can be changed into a prime (12912037) 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, 1291199 + ... + 1291208.

It is an arithmetic number, because the mean of its divisors is an integer number (3873612).

Almost surely, 2^12912035 is an apocalyptic number.

12912035 is a deficient number, since it is larger than the sum of its proper divisors (2582413).

12912035 is an equidigital number, since it uses as much as digits as its factorization.

12912035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582412.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 12912035 is about 3593.3320191711. The cubic root of 12912035 is about 234.6019214981.

Adding to 12912035 its reverse (53021921), we get a palindrome (65933956).

The spelling of 12912035 in words is "twelve million, nine hundred twelve thousand, thirty-five".