12354553 has 4 divisors (see below), whose sum is σ = 12370320. Its totient is φ = 12338788.

The previous prime is 12354547. The next prime is 12354613. The reversal of 12354553 is 35545321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12354553 - 2⁵ = 12354521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12354533) 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, 6643 + ... + 8296.

It is an arithmetic number, because the mean of its divisors is an integer number (3092580).

Almost surely, 2^12354553 is an apocalyptic number.

It is an amenable number.

12354553 is a deficient number, since it is larger than the sum of its proper divisors (15767).

12354553 is an equidigital number, since it uses as much as digits as its factorization.

12354553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15766.

The product of its digits is 9000, while the sum is 28.

The square root of 12354553 is about 3514.9044083730. The cubic root of 12354553 is about 231.1757874354.

Adding to 12354553 its reverse (35545321), we get a palindrome (47899874).

The spelling of 12354553 in words is "twelve million, three hundred fifty-four thousand, five hundred fifty-three".