12662055 has 32 divisors (see below), whose sum is σ = 25728000. Its totient is φ = 5787936.

The previous prime is 12662047. The next prime is 12662057. The reversal of 12662055 is 55026621.

It is not a de Polignac number, because 12662055 - 2³ = 12662047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5755 + ... + 7644.

It is an arithmetic number, because the mean of its divisors is an integer number (804000).

Almost surely, 2^12662055 is an apocalyptic number.

12662055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12662055 is an abundant number, since it is smaller than the sum of its proper divisors (13065945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12662055 is a wasteful number, since it uses less digits than its factorization.

12662055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420 (or 13414 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 12662055 is about 3558.3781417944. The cubic root of 12662055 is about 233.0780621000.

Adding to 12662055 its reverse (55026621), we get a palindrome (67688676).

It can be divided in two parts, 1266 and 2055, that added together give a triangular number (3321 = T₈₁).

The spelling of 12662055 in words is "twelve million, six hundred sixty-two thousand, fifty-five".