13303642 has 8 divisors (see below), whose sum is σ = 21769632. Its totient is φ = 6047100.

The previous prime is 13303621. The next prime is 13303643. The reversal of 13303642 is 24630331.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 604711 = 13303642 / (1 + 3 + 3 + 0 + 3 + 6 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (13303643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302334 + ... + 302377.

It is an arithmetic number, because the mean of its divisors is an integer number (2721204).

Almost surely, 2^13303642 is an apocalyptic number.

13303642 is a deficient number, since it is larger than the sum of its proper divisors (8465990).

13303642 is a wasteful number, since it uses less digits than its factorization.

13303642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604724.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 13303642 is about 3647.4157975202. The cubic root of 13303642 is about 236.9500746434.

Adding to 13303642 its reverse (24630331), we get a palindrome (37933973).

The spelling of 13303642 in words is "thirteen million, three hundred three thousand, six hundred forty-two".