13214236 has 72 divisors (see below), whose sum is σ = 29707776. Its totient is φ = 5026560.

The previous prime is 13214233. The next prime is 13214237. The reversal of 13214236 is 63241231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186081 + ... + 186151.

It is an arithmetic number, because the mean of its divisors is an integer number (412608).

Almost surely, 2^13214236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13214236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14853888).

13214236 is an abundant number, since it is smaller than the sum of its proper divisors (16493540).

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

13214236 is a wasteful number, since it uses less digits than its factorization.

13214236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 120 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 13214236 is about 3635.1390619892. The cubic root of 13214236 is about 236.4180801427.

Adding to 13214236 its reverse (63241231), we get a palindrome (76455467).

The spelling of 13214236 in words is "thirteen million, two hundred fourteen thousand, two hundred thirty-six".