12055951 has 4 divisors (see below), whose sum is σ = 12081600. Its totient is φ = 12030304.

The previous prime is 12055949. The next prime is 12055957. The reversal of 12055951 is 15955021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12055951 - 2¹ = 12055949 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 (12055957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12106 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (3020400).

Almost surely, 2^12055951 is an apocalyptic number.

12055951 is a deficient number, since it is larger than the sum of its proper divisors (25649).

12055951 is an equidigital number, since it uses as much as digits as its factorization.

12055951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25648.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 12055951 is about 3472.1680546886. The cubic root of 12055951 is about 229.2981186259.

The spelling of 12055951 in words is "twelve million, fifty-five thousand, nine hundred fifty-one".