13143234 has 32 divisors (see below), whose sum is σ = 28506240. Its totient is φ = 4015872.

The previous prime is 13143233. The next prime is 13143239. The reversal of 13143234 is 43234131.

It is a self number, because there is not a number n which added to its sum of digits gives 13143234.

It is not an unprimeable number, because it can be changed into a prime (13143233) 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, 12522 + ... + 13530.

It is an arithmetic number, because the mean of its divisors is an integer number (890820).

Almost surely, 2^13143234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13143234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14253120).

13143234 is an abundant number, since it is smaller than the sum of its proper divisors (15363006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13143234 is a wasteful number, since it uses less digits than its factorization.

13143234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194.

The product of its digits is 864, while the sum is 21.

The square root of 13143234 is about 3625.3598442086. The cubic root of 13143234 is about 235.9938833041.

Adding to 13143234 its reverse (43234131), we get a palindrome (56377365).

It can be divided in two parts, 131 and 43234, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 13143234 in words is "thirteen million, one hundred forty-three thousand, two hundred thirty-four".