13244402 has 8 divisors (see below), whose sum is σ = 19988976. Its totient is φ = 6581412.

The previous prime is 13244383. The next prime is 13244431. The reversal of 13244402 is 20444231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19988 + ... + 20639.

It is an arithmetic number, because the mean of its divisors is an integer number (2498622).

Almost surely, 2^13244402 is an apocalyptic number.

13244402 is a deficient number, since it is larger than the sum of its proper divisors (6744574).

13244402 is a wasteful number, since it uses less digits than its factorization.

13244402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40792.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 13244402 is about 3639.2859189682. The cubic root of 13244402 is about 236.5978450510.

Adding to 13244402 its reverse (20444231), we get a palindrome (33688633).

The spelling of 13244402 in words is "thirteen million, two hundred forty-four thousand, four hundred two".