13012735 has 16 divisors (see below), whose sum is σ = 17107200. Its totient is φ = 9458176.

The previous prime is 13012723. The next prime is 13012751. The reversal of 13012735 is 53721031.

It is not a de Polignac number, because 13012735 - 2¹³ = 13004543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175 + ... + 5104.

It is an arithmetic number, because the mean of its divisors is an integer number (1069200).

Almost surely, 2^13012735 is an apocalyptic number.

13012735 is a deficient number, since it is larger than the sum of its proper divisors (4094465).

13012735 is a wasteful number, since it uses less digits than its factorization.

13012735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13012735 is about 3607.3168699187. The cubic root of 13012735 is about 235.2102238352.

Adding to 13012735 its reverse (53721031), we get a palindrome (66733766).

The spelling of 13012735 in words is "thirteen million, twelve thousand, seven hundred thirty-five".