13212039 has 16 divisors (see below), whose sum is σ = 18040320. Its totient is φ = 8598720.

The previous prime is 13212013. The next prime is 13212053. The reversal of 13212039 is 93021231.

It is a happy number.

13212039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13212039 - 2⁵ = 13212007 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212439) 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, 25099 + ... + 25619.

It is an arithmetic number, because the mean of its divisors is an integer number (1127520).

Almost surely, 2^13212039 is an apocalyptic number.

13212039 is a deficient number, since it is larger than the sum of its proper divisors (4828281).

13212039 is a wasteful number, since it uses less digits than its factorization.

13212039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 13212039 is about 3634.8368601631. The cubic root of 13212039 is about 236.4049771199.

The spelling of 13212039 in words is "thirteen million, two hundred twelve thousand, thirty-nine".