12001013 has 8 divisors (see below), whose sum is σ = 12324960. Its totient is φ = 11681200.

The previous prime is 12001001. The next prime is 12001021. The reversal of 12001013 is 31010021.

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

It is a cyclic number.

It is not a de Polignac number, because 12001013 - 2⁸ = 12000757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021013) 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, 5363 + ... + 7263.

It is an arithmetic number, because the mean of its divisors is an integer number (1540620).

Almost surely, 2^12001013 is an apocalyptic number.

It is an amenable number.

12001013 is a deficient number, since it is larger than the sum of its proper divisors (323947).

12001013 is a wasteful number, since it uses less digits than its factorization.

12001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 12001013 is about 3464.2478260078. The cubic root of 12001013 is about 228.9492905268.

Adding to 12001013 its reverse (31010021), we get a palindrome (43011034).

The spelling of 12001013 in words is "twelve million, one thousand, thirteen".