13466731 has 4 divisors (see below), whose sum is σ = 13477464. Its totient is φ = 13456000.

The previous prime is 13466693. The next prime is 13466743. The reversal of 13466731 is 13766431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 7-Lehmer number, since φ(13466731) divides (13466731-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 13466731 - 2¹³ = 13458539 is a prime.

It is a super-2 number, since 2×13466731² = 362705687652722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13466693 and 13466702.

It is not an unprimeable number, because it can be changed into a prime (13463731) 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, 3190 + ... + 6091.

It is an arithmetic number, because the mean of its divisors is an integer number (3369366).

Almost surely, 2^13466731 is an apocalyptic number.

13466731 is a deficient number, since it is larger than the sum of its proper divisors (10733).

13466731 is an equidigital number, since it uses as much as digits as its factorization.

13466731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10732.

The product of its digits is 9072, while the sum is 31.

The square root of 13466731 is about 3669.7044840150. The cubic root of 13466731 is about 237.9143996943.

The spelling of 13466731 in words is "thirteen million, four hundred sixty-six thousand, seven hundred thirty-one".