13470749 has 4 divisors (see below), whose sum is σ = 14263164. Its totient is φ = 12678336.

The previous prime is 13470731. The next prime is 13470767. The reversal of 13470749 is 94707431.

13470749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13470731) and next prime (13470767).

It can be written as a sum of positive squares in 2 ways, for example, as 10355524 + 3115225 = 3218^2 + 1765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13470749 is a prime.

It is a super-3 number, since 3×13470749³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13470719) 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, 396182 + ... + 396215.

It is an arithmetic number, because the mean of its divisors is an integer number (3565791).

Almost surely, 2^13470749 is an apocalyptic number.

It is an amenable number.

13470749 is a deficient number, since it is larger than the sum of its proper divisors (792415).

13470749 is an equidigital number, since it uses as much as digits as its factorization.

13470749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792414.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 13470749 is about 3670.2518987121. The cubic root of 13470749 is about 237.9380591110.

The spelling of 13470749 in words is "thirteen million, four hundred seventy thousand, seven hundred forty-nine".