13067690 has 16 divisors (see below), whose sum is σ = 24333480. Its totient is φ = 5046720.

The previous prime is 13067669. The next prime is 13067693. The reversal of 13067690 is 9676031.

It can be written as a sum of positive squares in 4 ways, for example, as 12524521 + 543169 = 3539^2 + 737^2 .

It is a super-2 number, since 2×13067690² = 341529043872200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13067693) 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 7 ways as a sum of consecutive naturals, for example, 22241 + ... + 22820.

Almost surely, 2^13067690 is an apocalyptic number.

13067690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13067690 is a deficient number, since it is larger than the sum of its proper divisors (11265790).

13067690 is a wasteful number, since it uses less digits than its factorization.

13067690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45097.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 13067690 is about 3614.9260020089. The cubic root of 13067690 is about 235.5408697811.

The spelling of 13067690 in words is "thirteen million, sixty-seven thousand, six hundred ninety".