13152705 has 16 divisors (see below), whose sum is σ = 21155904. Its totient is φ = 6977600.

The previous prime is 13152697. The next prime is 13152707. The reversal of 13152705 is 50725131.

It is not a de Polignac number, because 13152705 - 2³ = 13152697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13152707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (1322244).

Almost surely, 2^13152705 is an apocalyptic number.

13152705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13152705 is a deficient number, since it is larger than the sum of its proper divisors (8003199).

13152705 is a wasteful number, since it uses less digits than its factorization.

13152705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 13152705 is about 3626.6658241421. The cubic root of 13152705 is about 236.0505553381.

Adding to 13152705 its reverse (50725131), we get a palindrome (63877836).

The spelling of 13152705 in words is "thirteen million, one hundred fifty-two thousand, seven hundred five".