12553351 has 4 divisors (see below), whose sum is σ = 12565600. Its totient is φ = 12541104.

The previous prime is 12553313. The next prime is 12553379. The reversal of 12553351 is 15335521.

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

It is a cyclic number.

It is not a de Polignac number, because 12553351 - 2¹⁹ = 12029063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553301) 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, 4431 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (3141400).

Almost surely, 2^12553351 is an apocalyptic number.

12553351 is a deficient number, since it is larger than the sum of its proper divisors (12249).

12553351 is a wasteful number, since it uses less digits than its factorization.

12553351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12248.

The product of its digits is 2250, while the sum is 25.

The square root of 12553351 is about 3543.0708432093. The cubic root of 12553351 is about 232.4091509239.

Adding to 12553351 its reverse (15335521), we get a palindrome (27888872).

The spelling of 12553351 in words is "twelve million, five hundred fifty-three thousand, three hundred fifty-one".