13212402 has 16 divisors (see below), whose sum is σ = 30199872. Its totient is φ = 3774960.

The previous prime is 13212377. The next prime is 13212403. The reversal of 13212402 is 20421231.

It is not an unprimeable number, because it can be changed into a prime (13212403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157249 + ... + 157332.

It is an arithmetic number, because the mean of its divisors is an integer number (1887492).

Almost surely, 2^13212402 is an apocalyptic number.

13212402 is an abundant number, since it is smaller than the sum of its proper divisors (16987470).

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

13212402 is a wasteful number, since it uses less digits than its factorization.

13212402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314593.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 13212402 is about 3634.8867932853. The cubic root of 13212402 is about 236.4071421710.

Adding to 13212402 its reverse (20421231), we get a palindrome (33633633).

The spelling of 13212402 in words is "thirteen million, two hundred twelve thousand, four hundred two".