12275955 has 40 divisors (see below), whose sum is σ = 23313312. Its totient is φ = 6158592.

The previous prime is 12275917. The next prime is 12275959. The reversal of 12275955 is 55957221.

It is not a de Polignac number, because 12275955 - 2⁶ = 12275891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12275959) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5994 + ... + 7776.

Almost surely, 2^12275955 is an apocalyptic number.

12275955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12275955 is a deficient number, since it is larger than the sum of its proper divisors (11037357).

12275955 is a wasteful number, since it uses less digits than its factorization.

12275955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817 (or 1808 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 12275955 is about 3503.7058951915. The cubic root of 12275955 is about 230.6845077453.

The spelling of 12275955 in words is "twelve million, two hundred seventy-five thousand, nine hundred fifty-five".