12453557 has 8 divisors (see below), whose sum is σ = 13443840. Its totient is φ = 11500720.

The previous prime is 12453547. The next prime is 12453563. The reversal of 12453557 is 75535421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12453557 - 2⁴ = 12453541 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 (12453547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8669 + ... + 10002.

It is an arithmetic number, because the mean of its divisors is an integer number (1680480).

Almost surely, 2^12453557 is an apocalyptic number.

It is an amenable number.

12453557 is a deficient number, since it is larger than the sum of its proper divisors (990283).

12453557 is a wasteful number, since it uses less digits than its factorization.

12453557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18723.

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

The square root of 12453557 is about 3528.9597617428. The cubic root of 12453557 is about 231.7916592261.

Adding to 12453557 its reverse (75535421), we get a palindrome (87988978).

The spelling of 12453557 in words is "twelve million, four hundred fifty-three thousand, five hundred fifty-seven".