12055454 has 4 divisors (see below), whose sum is σ = 18083184. Its totient is φ = 6027726.

The previous prime is 12055447. The next prime is 12055457. The reversal of 12055454 is 45455021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45455021 = 31 ⋅1466291.

It is a super-2 number, since 2×12055454² = 290667942292232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055457) 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 as a sum of consecutive naturals, namely, 3013862 + ... + 3013865.

It is an arithmetic number, because the mean of its divisors is an integer number (4520796).

Almost surely, 2^12055454 is an apocalyptic number.

12055454 is a deficient number, since it is larger than the sum of its proper divisors (6027730).

12055454 is an equidigital number, since it uses as much as digits as its factorization.

12055454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027729.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 12055454 is about 3472.0964848345. The cubic root of 12055454 is about 229.2949676860.

The spelling of 12055454 in words is "twelve million, fifty-five thousand, four hundred fifty-four".