12534453 has 16 divisors (see below), whose sum is σ = 19072960. Its totient is φ = 8129808.

The previous prime is 12534443. The next prime is 12534461. The reversal of 12534453 is 35443521.

It is not a de Polignac number, because 12534453 - 2⁵ = 12534421 is a prime.

It is a super-3 number, since 3×12534453³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5275 + ... + 7272.

It is an arithmetic number, because the mean of its divisors is an integer number (1192060).

Almost surely, 2^12534453 is an apocalyptic number.

It is an amenable number.

12534453 is a deficient number, since it is larger than the sum of its proper divisors (6538507).

12534453 is a wasteful number, since it uses less digits than its factorization.

12534453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12593 (or 12587 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 12534453 is about 3540.4029431690. The cubic root of 12534453 is about 232.2924682963.

Adding to 12534453 its reverse (35443521), we get a palindrome (47977974).

The spelling of 12534453 in words is "twelve million, five hundred thirty-four thousand, four hundred fifty-three".