12951135 has 24 divisors (see below), whose sum is σ = 22551360. Its totient is φ = 6875712.

The previous prime is 12951131. The next prime is 12951151. The reversal of 12951135 is 53115921.

It is not a de Polignac number, because 12951135 - 2² = 12951131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12951099 and 12951108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11946 + ... + 12984.

It is an arithmetic number, because the mean of its divisors is an integer number (939640).

Almost surely, 2^12951135 is an apocalyptic number.

12951135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12951135 is a deficient number, since it is larger than the sum of its proper divisors (9600225).

12951135 is a wasteful number, since it uses less digits than its factorization.

12951135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1324 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 12951135 is about 3598.7685393757. The cubic root of 12951135 is about 234.8384886896.

The spelling of 12951135 in words is "twelve million, nine hundred fifty-one thousand, one hundred thirty-five".