12159020 has 12 divisors (see below), whose sum is σ = 25533984. Its totient is φ = 4863600.

The previous prime is 12159013. The next prime is 12159053. The reversal of 12159020 is 2095121.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 607951 = 12159020 / (1 + 2 + 1 + 5 + 9 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 12158983 and 12159001.

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, 303956 + ... + 303995.

It is an arithmetic number, because the mean of its divisors is an integer number (2127832).

Almost surely, 2^12159020 is an apocalyptic number.

12159020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12159020 is an abundant number, since it is smaller than the sum of its proper divisors (13374964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12159020 is a wasteful number, since it uses less digits than its factorization.

12159020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607960 (or 607958 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 12159020 is about 3486.9786348643. The cubic root of 12159020 is about 229.9497054489.

The spelling of 12159020 in words is "twelve million, one hundred fifty-nine thousand, twenty".