12597955 has 4 divisors (see below), whose sum is σ = 15117552. Its totient is φ = 10078360.

The previous prime is 12597917. The next prime is 12597961. The reversal of 12597955 is 55979521.

It is a happy number.

12597955 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12597955 - 2²¹ = 10500803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259791 + ... + 1259800.

It is an arithmetic number, because the mean of its divisors is an integer number (3779388).

Almost surely, 2^12597955 is an apocalyptic number.

12597955 is a deficient number, since it is larger than the sum of its proper divisors (2519597).

12597955 is an equidigital number, since it uses as much as digits as its factorization.

12597955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519596.

The product of its digits is 141750, while the sum is 43.

The square root of 12597955 is about 3549.3598014290. The cubic root of 12597955 is about 232.6840874506.

The spelling of 12597955 in words is "twelve million, five hundred ninety-seven thousand, nine hundred fifty-five".