12113055 has 12 divisors (see below), whose sum is σ = 20996040. Its totient is φ = 6460272.

The previous prime is 12113053. The next prime is 12113083. The reversal of 12113055 is 55031121.

It is not a de Polignac number, because 12113055 - 2¹ = 12113053 is a prime.

It is a super-2 number, since 2×12113055² = 293452202866050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134545 + ... + 134634.

It is an arithmetic number, because the mean of its divisors is an integer number (1749670).

Almost surely, 2^12113055 is an apocalyptic number.

12113055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12113055 is a deficient number, since it is larger than the sum of its proper divisors (8882985).

12113055 is a wasteful number, since it uses less digits than its factorization.

12113055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269190 (or 269187 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 12113055 is about 3480.3814446121. The cubic root of 12113055 is about 229.6595783079.

Adding to 12113055 its reverse (55031121), we get a palindrome (67144176).

The spelling of 12113055 in words is "twelve million, one hundred thirteen thousand, fifty-five".