13404607 has 4 divisors (see below), whose sum is σ = 13987440. Its totient is φ = 12821776.

The previous prime is 13404569. The next prime is 13404613. The reversal of 13404607 is 70640431.

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

It is a cyclic number.

It is not a de Polignac number, because 13404607 - 2¹⁹ = 12880319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404647) 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, 291382 + ... + 291427.

It is an arithmetic number, because the mean of its divisors is an integer number (3496860).

Almost surely, 2^13404607 is an apocalyptic number.

13404607 is a deficient number, since it is larger than the sum of its proper divisors (582833).

13404607 is an equidigital number, since it uses as much as digits as its factorization.

13404607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582832.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 13404607 is about 3661.2302577139. The cubic root of 13404607 is about 237.5479910406.

The spelling of 13404607 in words is "thirteen million, four hundred four thousand, six hundred seven".