12575258 has 4 divisors (see below), whose sum is σ = 18862890. Its totient is φ = 6287628.

The previous prime is 12575231. The next prime is 12575263. The reversal of 12575258 is 85257521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85257521 = 179 ⋅476299.

It can be written as a sum of positive squares in only one way, i.e., 8219689 + 4355569 = 2867^2 + 2087^2 .

It is a super-2 number, since 2×12575258² = 316274227533128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3143813 + ... + 3143816.

Almost surely, 2^12575258 is an apocalyptic number.

12575258 is a deficient number, since it is larger than the sum of its proper divisors (6287632).

12575258 is an equidigital number, since it uses as much as digits as its factorization.

12575258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287631.

The product of its digits is 28000, while the sum is 35.

The square root of 12575258 is about 3546.1610228527. The cubic root of 12575258 is about 232.5442656689.

It can be divided in two parts, 12 and 575258, that multiplied together give a palindrome (6903096).

The spelling of 12575258 in words is "twelve million, five hundred seventy-five thousand, two hundred fifty-eight".