12055534 has 4 divisors (see below), whose sum is σ = 18083304. Its totient is φ = 6027766.

The previous prime is 12055531. The next prime is 12055553. The reversal of 12055534 is 43555021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43555021 = 71 ⋅613451.

It is a junction number, because it is equal to n+sod(n) for n = 12055499 and 12055508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3013882 + ... + 3013885.

It is an arithmetic number, because the mean of its divisors is an integer number (4520826).

Almost surely, 2^12055534 is an apocalyptic number.

12055534 is a deficient number, since it is larger than the sum of its proper divisors (6027770).

12055534 is an equidigital number, since it uses as much as digits as its factorization.

12055534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027769.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 12055534 is about 3472.1080052326. The cubic root of 12055534 is about 229.2954748854.

The spelling of 12055534 in words is "twelve million, fifty-five thousand, five hundred thirty-four".