12013004 has 6 divisors (see below), whose sum is σ = 21022764. Its totient is φ = 6006500.

The previous prime is 12012971. The next prime is 12013009. The reversal of 12013004 is 40031021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12013009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1501622 + ... + 1501629.

It is an arithmetic number, because the mean of its divisors is an integer number (3503794).

Almost surely, 2^12013004 is an apocalyptic number.

It is an amenable number.

12013004 is a deficient number, since it is larger than the sum of its proper divisors (9009760).

12013004 is a wasteful number, since it uses less digits than its factorization.

12013004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003255 (or 3003253 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12013004 is about 3465.9780726369. The cubic root of 12013004 is about 229.0255179003.

Adding to 12013004 its reverse (40031021), we get a palindrome (52044025).

The spelling of 12013004 in words is "twelve million, thirteen thousand, four".