13042155 has 32 divisors (see below), whose sum is σ = 23998464. Its totient is φ = 5924736.

The previous prime is 13042129. The next prime is 13042157. The reversal of 13042155 is 55124031.

13042155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13042155 - 2⁶ = 13042091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13042157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23137 + ... + 23693.

It is an arithmetic number, because the mean of its divisors is an integer number (749952).

Almost surely, 2^13042155 is an apocalyptic number.

13042155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13042155 is a deficient number, since it is larger than the sum of its proper divisors (10956309).

13042155 is a wasteful number, since it uses less digits than its factorization.

13042155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 13042155 is about 3611.3923907546. The cubic root of 13042155 is about 235.3873497137.

13042155 divided by its sum of digits (21) gives a triangular number (621055 = T₁₁₁₄).

Adding to 13042155 its reverse (55124031), we get a palindrome (68166186).

The spelling of 13042155 in words is "thirteen million, forty-two thousand, one hundred fifty-five".