12345955 has 8 divisors (see below), whose sum is σ = 14842800. Its totient is φ = 9858336.

The previous prime is 12345943. The next prime is 12345959. The reversal of 12345955 is 55954321.

12345955 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12345955 - 2⁵ = 12345923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12345955.

It is not an unprimeable number, because it can be changed into a prime (12345959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101 + ... + 5089.

It is an arithmetic number, because the mean of its divisors is an integer number (1855350).

Almost surely, 2^12345955 is an apocalyptic number.

12345955 is a deficient number, since it is larger than the sum of its proper divisors (2496845).

12345955 is an equidigital number, since it uses as much as digits as its factorization.

12345955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613.

The product of its digits is 27000, while the sum is 34.

The square root of 12345955 is about 3513.6811181438. The cubic root of 12345955 is about 231.1221470031.

The spelling of 12345955 in words is "twelve million, three hundred forty-five thousand, nine hundred fifty-five".