12020481 has 28 divisors (see below), whose sum is σ = 19674000. Its totient is φ = 7280280.

The previous prime is 12020473. The next prime is 12020507. The reversal of 12020481 is 18402021.

12020481 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12020481 - 2³ = 12020473 is a prime.

It is a super-2 number, since 2×12020481² = 288983926942722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12020431) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7270 + ... + 8768.

Almost surely, 2^12020481 is an apocalyptic number.

12020481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12020481 is a deficient number, since it is larger than the sum of its proper divisors (7653519).

12020481 is an equidigital number, since it uses as much as digits as its factorization.

12020481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 12020481 is about 3467.0565325648. The cubic root of 12020481 is about 229.0730238820.

The spelling of 12020481 in words is "twelve million, twenty thousand, four hundred eighty-one".