12275535 has 16 divisors (see below), whose sum is σ = 20275200. Its totient is φ = 6335520.

The previous prime is 12275509. The next prime is 12275567. The reversal of 12275535 is 53557221.

12275535 = T₁₄₆ + T₁₄₇ + ... + T₄₂₄.

It is not a de Polignac number, because 12275535 - 2⁷ = 12275407 is a prime.

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, 12735 + ... + 13664.

It is an arithmetic number, because the mean of its divisors is an integer number (1267200).

Almost surely, 2^12275535 is an apocalyptic number.

12275535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12275535 is a deficient number, since it is larger than the sum of its proper divisors (7999665).

12275535 is a wasteful number, since it uses less digits than its factorization.

12275535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26438.

The product of its digits is 10500, while the sum is 30.

The square root of 12275535 is about 3503.6459581413. The cubic root of 12275535 is about 230.6818768951.

It can be divided in two parts, 122 and 75535, that added together give a palindrome (75657).

The spelling of 12275535 in words is "twelve million, two hundred seventy-five thousand, five hundred thirty-five".