13051155 has 64 divisors (see below), whose sum is σ = 24772608. Its totient is φ = 5806080.

The previous prime is 13051151. The next prime is 13051177. The reversal of 13051155 is 55115031.

It is not a de Polignac number, because 13051155 - 2² = 13051151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13051151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102702 + ... + 102828.

It is an arithmetic number, because the mean of its divisors is an integer number (387072).

Almost surely, 2^13051155 is an apocalyptic number.

13051155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13051155 is a deficient number, since it is larger than the sum of its proper divisors (11721453).

13051155 is a wasteful number, since it uses less digits than its factorization.

13051155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 13051155 is about 3612.6382326494. The cubic root of 13051155 is about 235.4414818474.

Adding to 13051155 its reverse (55115031), we get a palindrome (68166186).

The spelling of 13051155 in words is "thirteen million, fifty-one thousand, one hundred fifty-five".