13181079 has 16 divisors (see below), whose sum is σ = 18766080. Its totient is φ = 8205120.

The previous prime is 13181057. The next prime is 13181083. The reversal of 13181079 is 97018131.

It is not a de Polignac number, because 13181079 - 2⁸ = 13180823 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13181029) 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, 2419 + ... + 5675.

It is an arithmetic number, because the mean of its divisors is an integer number (1172880).

Almost surely, 2^13181079 is an apocalyptic number.

13181079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13181079 is a deficient number, since it is larger than the sum of its proper divisors (5585001).

13181079 is a wasteful number, since it uses less digits than its factorization.

13181079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 13181079 is about 3630.5755742031. The cubic root of 13181079 is about 236.2201754014.

The spelling of 13181079 in words is "thirteen million, one hundred eighty-one thousand, seventy-nine".