13106690 has 8 divisors (see below), whose sum is σ = 23592060. Its totient is φ = 5242672.

The previous prime is 13106689. The next prime is 13106693. The reversal of 13106690 is 9660131.

It can be written as a sum of positive squares in 2 ways, for example, as 12524521 + 582169 = 3539^2 + 763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13106690² = 343570645512200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13106693) 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, 655325 + ... + 655344.

Almost surely, 2^13106690 is an apocalyptic number.

13106690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13106690 is a deficient number, since it is larger than the sum of its proper divisors (10485370).

13106690 is a wasteful number, since it uses less digits than its factorization.

13106690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310676.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 13106690 is about 3620.3162845254. The cubic root of 13106690 is about 235.7749578394.

It can be divided in two parts, 1310 and 6690, that added together give a cube (8000 = 20³).

The spelling of 13106690 in words is "thirteen million, one hundred six thousand, six hundred ninety".