13066690 has 64 divisors (see below), whose sum is σ = 29465856. Its totient is φ = 4061952.

The previous prime is 13066657. The next prime is 13066709. The reversal of 13066690 is 9666031.

13066690 = T₁₃ + T₁₄ + ... + T₄₂₇.

It is a super-2 number, since 2×13066690² = 341476775112200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75444 + ... + 75616.

It is an arithmetic number, because the mean of its divisors is an integer number (460404).

Almost surely, 2^13066690 is an apocalyptic number.

13066690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13066690 is an abundant number, since it is smaller than the sum of its proper divisors (16399166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13066690 is a wasteful number, since it uses less digits than its factorization.

13066690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 13066690 is about 3614.7876839449. The cubic root of 13066690 is about 235.5348614028.

The spelling of 13066690 in words is "thirteen million, sixty-six thousand, six hundred ninety".