12453999 has 8 divisors (see below), whose sum is σ = 16624560. Its totient is φ = 8293056.

The previous prime is 12453977. The next prime is 12454003. The reversal of 12453999 is 99935421.

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

It is not a de Polignac number, because 12453999 - 2⁵ = 12453967 is a prime.

It is a super-4 number, since 4×12453999⁴ (a number of 29 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12453999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453929) 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, 1549 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (2078070).

Almost surely, 2^12453999 is an apocalyptic number.

12453999 is a deficient number, since it is larger than the sum of its proper divisors (4170561).

12453999 is a wasteful number, since it uses less digits than its factorization.

12453999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809.

The product of its digits is 87480, while the sum is 42.

The square root of 12453999 is about 3529.0223858740. The cubic root of 12453999 is about 231.7944014333.

The spelling of 12453999 in words is "twelve million, four hundred fifty-three thousand, nine hundred ninety-nine".