13212944 has 40 divisors (see below), whose sum is σ = 27998208. Its totient is φ = 6013440.

The previous prime is 13212937. The next prime is 13212967. The reversal of 13212944 is 44921231.

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, 7649 + ... + 9215.

Almost surely, 2^13212944 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 13212944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13999104).

13212944 is an abundant number, since it is smaller than the sum of its proper divisors (14785264).

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

13212944 is a wasteful number, since it uses less digits than its factorization.

13212944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1617 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 13212944 is about 3634.9613478000. The cubic root of 13212944 is about 236.4103747631.

The spelling of 13212944 in words is "thirteen million, two hundred twelve thousand, nine hundred forty-four".