13061139 has 16 divisors (see below), whose sum is σ = 21434112. Its totient is φ = 6889248.

The previous prime is 13061131. The next prime is 13061173. The reversal of 13061139 is 93116031.

It is not a de Polignac number, because 13061139 - 2³ = 13061131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13061131) 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 15 ways as a sum of consecutive naturals, for example, 23649 + ... + 24194.

It is an arithmetic number, because the mean of its divisors is an integer number (1339632).

Almost surely, 2^13061139 is an apocalyptic number.

13061139 is a deficient number, since it is larger than the sum of its proper divisors (8372973).

13061139 is a wasteful number, since it uses less digits than its factorization.

13061139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47866.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 13061139 is about 3614.0197841185. The cubic root of 13061139 is about 235.5015033194.

The spelling of 13061139 in words is "thirteen million, sixty-one thousand, one hundred thirty-nine".