13212936 has 128 divisors (see below), whose sum is σ = 41126400. Its totient is φ = 3896640.

The previous prime is 13212931. The next prime is 13212937. The reversal of 13212936 is 63921231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13212931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159151 + ... + 159233.

It is an arithmetic number, because the mean of its divisors is an integer number (321300).

Almost surely, 2^13212936 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 13212936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20563200).

13212936 is an abundant number, since it is smaller than the sum of its proper divisors (27913464).

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

13212936 is a wasteful number, since it uses less digits than its factorization.

13212936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 166 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 13212936 is about 3634.9602473755. The cubic root of 13212936 is about 236.4103270502.

The spelling of 13212936 in words is "thirteen million, two hundred twelve thousand, nine hundred thirty-six".