13983409 has 8 divisors (see below), whose sum is σ = 15301440. Its totient is φ = 12673200.

The previous prime is 13983407. The next prime is 13983421. The reversal of 13983409 is 90438931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13983409 - 2¹ = 13983407 is a prime.

It is a super-2 number, since 2×13983409² = 391071454522562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13983407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179 + ... + 5719.

It is an arithmetic number, because the mean of its divisors is an integer number (1912680).

Almost surely, 2^13983409 is an apocalyptic number.

It is an amenable number.

13983409 is a deficient number, since it is larger than the sum of its proper divisors (1318031).

13983409 is a wasteful number, since it uses less digits than its factorization.

13983409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 13983409 is about 3739.4396639069. The cubic root of 13983409 is about 240.9189824261.

The spelling of 13983409 in words is "thirteen million, nine hundred eighty-three thousand, four hundred nine".