13370409 has 12 divisors (see below), whose sum is σ = 20798596. Its totient is φ = 8227872.

The previous prime is 13370369. The next prime is 13370443. The reversal of 13370409 is 90407331.

13370409 is digitally balanced in base 3, 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 2 ways, for example, as 5076009 + 8294400 = 2253^2 + 2880^2 .

It is not a de Polignac number, because 13370409 - 2¹¹ = 13368361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13370309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57022 + ... + 57255.

Almost surely, 2^13370409 is an apocalyptic number.

It is an amenable number.

13370409 is a deficient number, since it is larger than the sum of its proper divisors (7428187).

13370409 is a wasteful number, since it uses less digits than its factorization.

13370409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114296 (or 114293 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13370409 is about 3656.5569871123. The cubic root of 13370409 is about 237.3458072092.

The spelling of 13370409 in words is "thirteen million, three hundred seventy thousand, four hundred nine".