13195155 has 16 divisors (see below), whose sum is σ = 21269664. Its totient is φ = 6984960.

The previous prime is 13195103. The next prime is 13195163. The reversal of 13195155 is 55159131.

It is not a de Polignac number, because 13195155 - 2⁷ = 13195027 is a prime.

It is a super-2 number, since 2×13195155² = 348224230948050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156 + ... + 5265.

It is an arithmetic number, because the mean of its divisors is an integer number (1329354).

Almost surely, 2^13195155 is an apocalyptic number.

13195155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13195155 is a deficient number, since it is larger than the sum of its proper divisors (8074509).

13195155 is a wasteful number, since it uses less digits than its factorization.

13195155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566.

The product of its digits is 3375, while the sum is 30.

The square root of 13195155 is about 3632.5135925417. The cubic root of 13195155 is about 236.3042315522.

The spelling of 13195155 in words is "thirteen million, one hundred ninety-five thousand, one hundred fifty-five".