12001035 has 16 divisors (see below), whose sum is σ = 19261440. Its totient is φ = 6380640.

The previous prime is 12001021. The next prime is 12001037. The reversal of 12001035 is 53010021.

It is not a de Polignac number, because 12001035 - 2⁹ = 12000523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12001035.

It is not an unprimeable number, because it can be changed into a prime (12001037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4630 + ... + 6740.

It is an arithmetic number, because the mean of its divisors is an integer number (1203840).

Almost surely, 2^12001035 is an apocalyptic number.

12001035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12001035 is a deficient number, since it is larger than the sum of its proper divisors (7260405).

12001035 is a wasteful number, since it uses less digits than its factorization.

12001035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 12001035 is about 3464.2510012988. The cubic root of 12001035 is about 228.9494304283.

Adding to 12001035 its reverse (53010021), we get a palindrome (65011056).

The spelling of 12001035 in words is "twelve million, one thousand, thirty-five".