12020461 has 4 divisors (see below), whose sum is σ = 12059424. Its totient is φ = 11981500.

The previous prime is 12020447. The next prime is 12020473. The reversal of 12020461 is 16402021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16402021 = 97 ⋅169093.

It is a cyclic number.

It is not a de Polignac number, because 12020461 - 2¹⁷ = 11889389 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 19015 + ... + 19636.

It is an arithmetic number, because the mean of its divisors is an integer number (3014856).

Almost surely, 2^12020461 is an apocalyptic number.

It is an amenable number.

12020461 is a deficient number, since it is larger than the sum of its proper divisors (38963).

12020461 is an equidigital number, since it uses as much as digits as its factorization.

12020461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38962.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12020461 is about 3467.0536482726. The cubic root of 12020461 is about 229.0728968360.

Adding to 12020461 its reverse (16402021), we get a palindrome (28422482).

The spelling of 12020461 in words is "twelve million, twenty thousand, four hundred sixty-one".