12013055 has 4 divisors (see below), whose sum is σ = 14415672. Its totient is φ = 9610440.

The previous prime is 12013021. The next prime is 12013069. The reversal of 12013055 is 55031021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55031021 = 1201 ⋅45821.

It is not a de Polignac number, because 12013055 - 2²⁰ = 10964479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201301 + ... + 1201310.

It is an arithmetic number, because the mean of its divisors is an integer number (3603918).

Almost surely, 2^12013055 is an apocalyptic number.

12013055 is a deficient number, since it is larger than the sum of its proper divisors (2402617).

12013055 is an equidigital number, since it uses as much as digits as its factorization.

12013055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402616.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 12013055 is about 3465.9854298597. The cubic root of 12013055 is about 229.0258420015.

Adding to 12013055 its reverse (55031021), we get a palindrome (67044076).

The spelling of 12013055 in words is "twelve million, thirteen thousand, fifty-five".