12553274 has 4 divisors (see below), whose sum is σ = 18829914. Its totient is φ = 6276636.

The previous prime is 12553273. The next prime is 12553279. The reversal of 12553274 is 47235521.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 822649 = 3425^2 + 907^2 .

It is not an unprimeable number, because it can be changed into a prime (12553271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3138317 + ... + 3138320.

Almost surely, 2^12553274 is an apocalyptic number.

12553274 is a deficient number, since it is larger than the sum of its proper divisors (6276640).

12553274 is an equidigital number, since it uses as much as digits as its factorization.

12553274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276639.

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

The square root of 12553274 is about 3543.0599769126. The cubic root of 12553274 is about 232.4086757376.

Adding to 12553274 its reverse (47235521), we get a palindrome (59788795).

The spelling of 12553274 in words is "twelve million, five hundred fifty-three thousand, two hundred seventy-four".