12453789 has 16 divisors (see below), whose sum is σ = 17582400. Its totient is φ = 7827456.

The previous prime is 12453769. The next prime is 12453811. The reversal of 12453789 is 98735421.

It is not a de Polignac number, because 12453789 - 2⁵ = 12453757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453739) 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, 2077 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (1098900).

Almost surely, 2^12453789 is an apocalyptic number.

It is an amenable number.

12453789 is a deficient number, since it is larger than the sum of its proper divisors (5128611).

12453789 is a wasteful number, since it uses less digits than its factorization.

12453789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404.

The product of its digits is 60480, while the sum is 39.

The square root of 12453789 is about 3528.9926324661. The cubic root of 12453789 is about 231.7930985827.

The spelling of 12453789 in words is "twelve million, four hundred fifty-three thousand, seven hundred eighty-nine".