12013516 has 6 divisors (see below), whose sum is σ = 21023660. Its totient is φ = 6006756.

The previous prime is 12013501. The next prime is 12013517. The reversal of 12013516 is 61531021.

It is a junction number, because it is equal to n+sod(n) for n = 12013493 and 12013502.

It is not an unprimeable number, because it can be changed into a prime (12013517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1501686 + ... + 1501693.

Almost surely, 2^12013516 is an apocalyptic number.

It is an amenable number.

12013516 is a deficient number, since it is larger than the sum of its proper divisors (9010144).

12013516 is a wasteful number, since it uses less digits than its factorization.

12013516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003383 (or 3003381 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12013516 is about 3466.0519326750. The cubic root of 12013516 is about 229.0287715800.

Adding to 12013516 its reverse (61531021), we get a palindrome (73544537).

The spelling of 12013516 in words is "twelve million, thirteen thousand, five hundred sixteen".