12055731 has 8 divisors (see below), whose sum is σ = 16294800. Its totient is φ = 7926912.

The previous prime is 12055723. The next prime is 12055741. The reversal of 12055731 is 13755021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12055731 - 2³ = 12055723 is a prime.

It is a super-3 number, since 3×12055731³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12055711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27306 + ... + 27743.

It is an arithmetic number, because the mean of its divisors is an integer number (2036850).

Almost surely, 2^12055731 is an apocalyptic number.

12055731 is a deficient number, since it is larger than the sum of its proper divisors (4239069).

12055731 is an equidigital number, since it uses as much as digits as its factorization.

12055731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55125.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 12055731 is about 3472.1363740498. The cubic root of 12055731 is about 229.2967238543.

The spelling of 12055731 in words is "twelve million, fifty-five thousand, seven hundred thirty-one".