13670069 has 6 divisors (see below), whose sum is σ = 15901974. Its totient is φ = 11717160.

The previous prime is 13670011. The next prime is 13670071. The reversal of 13670069 is 96007631.

13670069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10824100 + 2845969 = 3290^2 + 1687^2 .

It is not a de Polignac number, because 13670069 - 2¹⁶ = 13604533 is a prime.

It is a super-2 number, since 2×13670069² = 373741572929522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13670009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139442 + ... + 139539.

It is an arithmetic number, because the mean of its divisors is an integer number (2650329).

Almost surely, 2^13670069 is an apocalyptic number.

It is an amenable number.

13670069 is a deficient number, since it is larger than the sum of its proper divisors (2231905).

13670069 is an equidigital number, since it uses as much as digits as its factorization.

13670069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278995 (or 278988 counting only the distinct ones).

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

The square root of 13670069 is about 3697.3056405983. The cubic root of 13670069 is about 239.1058686097.

The spelling of 13670069 in words is "thirteen million, six hundred seventy thousand, sixty-nine".