12355957 has 16 divisors (see below), whose sum is σ = 13547520. Its totient is φ = 11225088.

The previous prime is 12355951. The next prime is 12355979. The reversal of 12355957 is 75955321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12355957 - 2¹⁹ = 11831669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97228 + ... + 97354.

It is an arithmetic number, because the mean of its divisors is an integer number (846720).

Almost surely, 2^12355957 is an apocalyptic number.

12355957 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12355957 is a deficient number, since it is larger than the sum of its proper divisors (1191563).

12355957 is a wasteful number, since it uses less digits than its factorization.

12355957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300.

The product of its digits is 47250, while the sum is 37.

The square root of 12355957 is about 3515.1041236356. The cubic root of 12355957 is about 231.1845442209.

The spelling of 12355957 in words is "twelve million, three hundred fifty-five thousand, nine hundred fifty-seven".