13021234 has 16 divisors (see below), whose sum is σ = 19906560. Its totient is φ = 6387040.

The previous prime is 13021219. The next prime is 13021247. The reversal of 13021234 is 43212031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33807 + ... + 34189.

It is an arithmetic number, because the mean of its divisors is an integer number (1244160).

Almost surely, 2^13021234 is an apocalyptic number.

13021234 is a deficient number, since it is larger than the sum of its proper divisors (6885326).

13021234 is a wasteful number, since it uses less digits than its factorization.

13021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13021234 is about 3608.4947000100. The cubic root of 13021234 is about 235.2614202628.

Adding to 13021234 its reverse (43212031), we get a palindrome (56233265).

The spelling of 13021234 in words is "thirteen million, twenty-one thousand, two hundred thirty-four".