13126442 has 16 divisors (see below), whose sum is σ = 22982400. Its totient is φ = 5505648.

The previous prime is 13126429. The next prime is 13126447. The reversal of 13126442 is 24462131.

It is not an unprimeable number, because it can be changed into a prime (13126447) 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, 9317 + ... + 10632.

It is an arithmetic number, because the mean of its divisors is an integer number (1436400).

Almost surely, 2^13126442 is an apocalyptic number.

13126442 is a deficient number, since it is larger than the sum of its proper divisors (9855958).

13126442 is a wasteful number, since it uses less digits than its factorization.

13126442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20005.

The product of its digits is 1152, while the sum is 23.

The square root of 13126442 is about 3623.0431959887. The cubic root of 13126442 is about 235.8933373213.

Adding to 13126442 its reverse (24462131), we get a palindrome (37588573).

The spelling of 13126442 in words is "thirteen million, one hundred twenty-six thousand, four hundred forty-two".