13099031 has 4 divisors (see below), whose sum is σ = 14289864. Its totient is φ = 11908200.

The previous prime is 13099013. The next prime is 13099057.

13099031 is nontrivially palindromic in base 10.

13099031 is digitally balanced in base 2, 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 a de Polignac number, because none of the positive numbers 2^k-13099031 is a prime.

It is a super-2 number, since 2×13099031² = 343169226277922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63099031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595400 + ... + 595421.

It is an arithmetic number, because the mean of its divisors is an integer number (3572466).

Almost surely, 2^13099031 is an apocalyptic number.

13099031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13099031 is a deficient number, since it is larger than the sum of its proper divisors (1190833).

13099031 is a wasteful number, since it uses less digits than its factorization.

13099031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190832.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 13099031 is about 3619.2583494412. The cubic root of 13099031 is about 235.7290232248.

The spelling of 13099031 in words is "thirteen million, ninety-nine thousand, thirty-one".