13122746 has 16 divisors (see below), whose sum is σ = 24226944. Its totient is φ = 5191344.

The previous prime is 13122737. The next prime is 13122751. The reversal of 13122746 is 64722131.

13122746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 35870 + ... + 36233.

It is an arithmetic number, because the mean of its divisors is an integer number (1514184).

Almost surely, 2^13122746 is an apocalyptic number.

13122746 is a deficient number, since it is larger than the sum of its proper divisors (11104198).

13122746 is a wasteful number, since it uses less digits than its factorization.

13122746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72125.

The product of its digits is 2016, while the sum is 26.

The square root of 13122746 is about 3622.5330916363. The cubic root of 13122746 is about 235.8711951542.

Adding to 13122746 its reverse (64722131), we get a palindrome (77844877).

The spelling of 13122746 in words is "thirteen million, one hundred twenty-two thousand, seven hundred forty-six".