13155261 has 16 divisors (see below), whose sum is σ = 20162688. Its totient is φ = 7473600.

The previous prime is 13155223. The next prime is 13155281. The reversal of 13155261 is 16255131.

It is not a de Polignac number, because 13155261 - 2⁷ = 13155133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155221) 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, 2071 + ... + 5531.

It is an arithmetic number, because the mean of its divisors is an integer number (1260168).

Almost surely, 2^13155261 is an apocalyptic number.

It is an amenable number.

13155261 is a deficient number, since it is larger than the sum of its proper divisors (7007427).

13155261 is a wasteful number, since it uses less digits than its factorization.

13155261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652.

The product of its digits is 900, while the sum is 24.

The square root of 13155261 is about 3627.0181968113. The cubic root of 13155261 is about 236.0658451243.

The spelling of 13155261 in words is "thirteen million, one hundred fifty-five thousand, two hundred sixty-one".