12579755 has 4 divisors (see below), whose sum is σ = 15095712. Its totient is φ = 10063800.

The previous prime is 12579737. The next prime is 12579757. The reversal of 12579755 is 55797521.

12579755 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, and also an emirpimes, since its reverse is a distinct semiprime: 55797521 = 13 ⋅4292117.

It is not a de Polignac number, because 12579755 - 2¹² = 12575659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12579757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257971 + ... + 1257980.

It is an arithmetic number, because the mean of its divisors is an integer number (3773928).

Almost surely, 2^12579755 is an apocalyptic number.

12579755 is a deficient number, since it is larger than the sum of its proper divisors (2515957).

12579755 is an equidigital number, since it uses as much as digits as its factorization.

12579755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515956.

The product of its digits is 110250, while the sum is 41.

The square root of 12579755 is about 3546.7950321382. The cubic root of 12579755 is about 232.5719821826.

The spelling of 12579755 in words is "twelve million, five hundred seventy-nine thousand, seven hundred fifty-five".