12555135 has 16 divisors (see below), whose sum is σ = 22320480. Its totient is φ = 6696000.

The previous prime is 12555121. The next prime is 12555149. The reversal of 12555135 is 53155521.

It is an interprime number because it is at equal distance from previous prime (12555121) and next prime (12555149).

It is not a de Polignac number, because 12555135 - 2⁴ = 12555119 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 12555099 and 12555108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46366 + ... + 46635.

It is an arithmetic number, because the mean of its divisors is an integer number (1395030).

Almost surely, 2^12555135 is an apocalyptic number.

12555135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12555135 is a deficient number, since it is larger than the sum of its proper divisors (9765345).

12555135 is an equidigital number, since it uses as much as digits as its factorization.

12555135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93015 (or 93009 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 12555135 is about 3543.3225932732. The cubic root of 12555135 is about 232.4201598911.

The spelling of 12555135 in words is "twelve million, five hundred fifty-five thousand, one hundred thirty-five".