13099634 has 4 divisors (see below), whose sum is σ = 19649454. Its totient is φ = 6549816.

The previous prime is 13099621. The next prime is 13099651. The reversal of 13099634 is 43699031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43699031 = 19 ⋅2299949.

It can be written as a sum of positive squares in only one way, i.e., 10530025 + 2569609 = 3245^2 + 1603^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13099594 and 13099603.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3274907 + ... + 3274910.

Almost surely, 2^13099634 is an apocalyptic number.

13099634 is a deficient number, since it is larger than the sum of its proper divisors (6549820).

13099634 is an equidigital number, since it uses as much as digits as its factorization.

13099634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549819.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 13099634 is about 3619.3416528424. The cubic root of 13099634 is about 235.7326403478.

The spelling of 13099634 in words is "thirteen million, ninety-nine thousand, six hundred thirty-four".