12253143 has 16 divisors (see below), whose sum is σ = 18812160. Its totient is φ = 6949056.

The previous prime is 12253133. The next prime is 12253147. The reversal of 12253143 is 34135221.

It is not a de Polignac number, because 12253143 - 2⁴ = 12253127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253147) 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, 748 + ... + 5006.

It is an arithmetic number, because the mean of its divisors is an integer number (1175760).

Almost surely, 2^12253143 is an apocalyptic number.

12253143 is a deficient number, since it is larger than the sum of its proper divisors (6559017).

12253143 is a wasteful number, since it uses less digits than its factorization.

12253143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406.

The product of its digits is 720, while the sum is 21.

The square root of 12253143 is about 3500.4489712036. The cubic root of 12253143 is about 230.5415280208.

Adding to 12253143 its reverse (34135221), we get a palindrome (46388364).

The spelling of 12253143 in words is "twelve million, two hundred fifty-three thousand, one hundred forty-three".