12571234 has 16 divisors (see below), whose sum is σ = 20434680. Its totient is φ = 5800080.

The previous prime is 12571201. The next prime is 12571241. The reversal of 12571234 is 43217521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 648025 + 11923209 = 805^2 + 3453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12571199 and 12571208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2964 + ... + 5824.

Almost surely, 2^12571234 is an apocalyptic number.

12571234 is a deficient number, since it is larger than the sum of its proper divisors (7863446).

12571234 is an equidigital number, since it uses as much as digits as its factorization.

12571234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902 (or 2876 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 12571234 is about 3545.5936033336. The cubic root of 12571234 is about 232.5194588100.

Adding to 12571234 its reverse (43217521), we get a palindrome (55788755).

The spelling of 12571234 in words is "twelve million, five hundred seventy-one thousand, two hundred thirty-four".