13313642 has 16 divisors (see below), whose sum is σ = 21936960. Its totient is φ = 6031872.

The previous prime is 13313611. The next prime is 13313647. The reversal of 13313642 is 24631331.

13313642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (13313647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6743 + ... + 8490.

It is an arithmetic number, because the mean of its divisors is an integer number (1371060).

Almost surely, 2^13313642 is an apocalyptic number.

13313642 is a deficient number, since it is larger than the sum of its proper divisors (8623318).

13313642 is a wasteful number, since it uses less digits than its factorization.

13313642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15277.

The product of its digits is 1296, while the sum is 23.

The square root of 13313642 is about 3648.7863735768. The cubic root of 13313642 is about 237.0094295001.

Adding to 13313642 its reverse (24631331), we get a palindrome (37944973).

The spelling of 13313642 in words is "thirteen million, three hundred thirteen thousand, six hundred forty-two".