12114920 has 16 divisors (see below), whose sum is σ = 27258660. Its totient is φ = 4845952.

The previous prime is 12114919. The next prime is 12114923. The reversal of 12114920 is 2941121.

It can be written as a sum of positive squares in 2 ways, for example, as 11546404 + 568516 = 3398^2 + 754^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12114892 and 12114901.

It is not an unprimeable number, because it can be changed into a prime (12114923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151397 + ... + 151476.

Almost surely, 2^12114920 is an apocalyptic number.

12114920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12114920 is an abundant number, since it is smaller than the sum of its proper divisors (15143740).

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

12114920 is a wasteful number, since it uses less digits than its factorization.

12114920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302884 (or 302880 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 12114920 is about 3480.6493647019. The cubic root of 12114920 is about 229.6713643006.

The spelling of 12114920 in words is "twelve million, one hundred fourteen thousand, nine hundred twenty".