13331402 has 16 divisors (see below), whose sum is σ = 22967232. Its totient is φ = 5685120.

The previous prime is 13331309. The next prime is 13331411. The reversal of 13331402 is 20413331.

It is a happy number.

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, 698 + ... + 5210.

It is an arithmetic number, because the mean of its divisors is an integer number (1435452).

Almost surely, 2^13331402 is an apocalyptic number.

13331402 is a deficient number, since it is larger than the sum of its proper divisors (9635830).

13331402 is a wasteful number, since it uses less digits than its factorization.

13331402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13331402 is about 3651.2192484155. The cubic root of 13331402 is about 237.1147705021.

Adding to 13331402 its reverse (20413331), we get a palindrome (33744733).

The spelling of 13331402 in words is "thirteen million, three hundred thirty-one thousand, four hundred two".