12553457 has 8 divisors (see below), whose sum is σ = 14640000. Its totient is φ = 10759812.

The previous prime is 12553451. The next prime is 12553459. The reversal of 12553457 is 75435521.

It is not a de Polignac number, because 12553457 - 2¹⁰ = 12552433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12553451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17957 + ... + 18642.

It is an arithmetic number, because the mean of its divisors is an integer number (1830000).

Almost surely, 2^12553457 is an apocalyptic number.

It is an amenable number.

12553457 is a deficient number, since it is larger than the sum of its proper divisors (2086543).

12553457 is an frugal number, since it uses more digits than its factorization.

12553457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36620 (or 36606 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 12553457 is about 3543.0858019529. The cubic root of 12553457 is about 232.4098050733.

Adding to 12553457 its reverse (75435521), we get a palindrome (87988978).

The spelling of 12553457 in words is "twelve million, five hundred fifty-three thousand, four hundred fifty-seven".