12955755 has 16 divisors (see below), whose sum is σ = 20777760. Its totient is φ = 6893568.

The previous prime is 12955727. The next prime is 12955759. The reversal of 12955755 is 55755921.

12955755 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12955755 - 2¹³ = 12947563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12955759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8491 + ... + 9899.

It is an arithmetic number, because the mean of its divisors is an integer number (1298610).

Almost surely, 2^12955755 is an apocalyptic number.

12955755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12955755 is a deficient number, since it is larger than the sum of its proper divisors (7822005).

12955755 is a wasteful number, since it uses less digits than its factorization.

12955755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030.

The product of its digits is 78750, while the sum is 39.

The square root of 12955755 is about 3599.4103683798. The cubic root of 12955755 is about 234.8664096616.

The spelling of 12955755 in words is "twelve million, nine hundred fifty-five thousand, seven hundred fifty-five".