12020518 has 8 divisors (see below), whose sum is σ = 18233640. Its totient is φ = 5942640.

The previous prime is 12020509. The next prime is 12020527. The reversal of 12020518 is 81502021.

It is an interprime number because it is at equal distance from previous prime (12020509) and next prime (12020527).

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

It is a junction number, because it is equal to n+sod(n) for n = 12020495 and 12020504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33588 + ... + 33943.

It is an arithmetic number, because the mean of its divisors is an integer number (2279205).

Almost surely, 2^12020518 is an apocalyptic number.

12020518 is a deficient number, since it is larger than the sum of its proper divisors (6213122).

12020518 is an equidigital number, since it uses as much as digits as its factorization.

12020518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67622.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 12020518 is about 3467.0618684990. The cubic root of 12020518 is about 229.0732589168.

Adding to 12020518 its reverse (81502021), we get a palindrome (93522539).

The spelling of 12020518 in words is "twelve million, twenty thousand, five hundred eighteen".