12557234 has 8 divisors (see below), whose sum is σ = 19295388. Its totient is φ = 6125440.

The previous prime is 12557227. The next prime is 12557239. The reversal of 12557234 is 43275521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12496225 + 61009 = 3535^2 + 247^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12557197 and 12557206.

It is not an unprimeable number, because it can be changed into a prime (12557239) 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, 76487 + ... + 76650.

Almost surely, 2^12557234 is an apocalyptic number.

12557234 is a deficient number, since it is larger than the sum of its proper divisors (6738154).

12557234 is a wasteful number, since it uses less digits than its factorization.

12557234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153180.

The product of its digits is 8400, while the sum is 29.

The square root of 12557234 is about 3543.6187718207. The cubic root of 12557234 is about 232.4331113709.

The spelling of 12557234 in words is "twelve million, five hundred fifty-seven thousand, two hundred thirty-four".