12453407 has 4 divisors (see below), whose sum is σ = 12470616. Its totient is φ = 12436200.

The previous prime is 12453377. The next prime is 12453439. The reversal of 12453407 is 70435421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70435421 = 7 ⋅10062203.

It is a cyclic number.

It is not a de Polignac number, because 12453407 - 2¹⁰ = 12452383 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 (12453107) 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 3 ways as a sum of consecutive naturals, for example, 7469 + ... + 8982.

It is an arithmetic number, because the mean of its divisors is an integer number (3117654).

Almost surely, 2^12453407 is an apocalyptic number.

12453407 is a deficient number, since it is larger than the sum of its proper divisors (17209).

12453407 is an equidigital number, since it uses as much as digits as its factorization.

12453407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17208.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 12453407 is about 3528.9385089570. The cubic root of 12453407 is about 231.7907285980.

Adding to 12453407 its reverse (70435421), we get a palindrome (82888828).

The spelling of 12453407 in words is "twelve million, four hundred fifty-three thousand, four hundred seven".