12040061 has 4 divisors (see below), whose sum is σ = 13134624. Its totient is φ = 10945500.

The previous prime is 12040057. The next prime is 12040069. The reversal of 12040061 is 16004021.

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.

It is a cyclic number.

It is not a de Polignac number, because 12040061 - 2² = 12040057 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 (12040069) 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, 547265 + ... + 547286.

It is an arithmetic number, because the mean of its divisors is an integer number (3283656).

Almost surely, 2^12040061 is an apocalyptic number.

12040061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12040061 is a deficient number, since it is larger than the sum of its proper divisors (1094563).

12040061 is a wasteful number, since it uses less digits than its factorization.

12040061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094562.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12040061 is about 3469.8791045222. The cubic root of 12040061 is about 229.1973344008.

Adding to 12040061 its reverse (16004021), we get a palindrome (28044082).

The spelling of 12040061 in words is "twelve million, forty thousand, sixty-one".