13118951 has 4 divisors (see below), whose sum is σ = 13890672. Its totient is φ = 12347232.

The previous prime is 13118929. The next prime is 13118953. The reversal of 13118951 is 15981131.

13118951 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13118951 - 2⁶ = 13118887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13118953) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 385835 + ... + 385868.

It is an arithmetic number, because the mean of its divisors is an integer number (3472668).

Almost surely, 2^13118951 is an apocalyptic number.

13118951 is a deficient number, since it is larger than the sum of its proper divisors (771721).

13118951 is an equidigital number, since it uses as much as digits as its factorization.

13118951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771720.

The product of its digits is 1080, while the sum is 29.

The square root of 13118951 is about 3622.0092490219. The cubic root of 13118951 is about 235.8484555669.

The spelling of 13118951 in words is "thirteen million, one hundred eighteen thousand, nine hundred fifty-one".