13206402 has 40 divisors (see below), whose sum is σ = 32286672. Its totient is φ = 4001400.

The previous prime is 13206377. The next prime is 13206407. The reversal of 13206402 is 20460231.

It is a happy number.

13206402 is a `hidden beast` number, since 1 + 3 + 20 + 640 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13206407) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1924 + ... + 5487.

Almost surely, 2^13206402 is an apocalyptic number.

13206402 is an abundant number, since it is smaller than the sum of its proper divisors (19080270).

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

13206402 is a wasteful number, since it uses less digits than its factorization.

13206402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436 (or 7427 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13206402 is about 3634.0613643691. The cubic root of 13206402 is about 236.3713511109.

Adding to 13206402 its reverse (20460231), we get a palindrome (33666633).

The spelling of 13206402 in words is "thirteen million, two hundred six thousand, four hundred two".