13404730 has 16 divisors (see below), whose sum is σ = 24781320. Its totient is φ = 5216832.

The previous prime is 13404697. The next prime is 13404733. The reversal of 13404730 is 3740431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12766329 + 638401 = 3573^2 + 799^2 .

It is not an unprimeable number, because it can be changed into a prime (13404733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17745 + ... + 18484.

Almost surely, 2^13404730 is an apocalyptic number.

13404730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13404730 is a deficient number, since it is larger than the sum of its proper divisors (11376590).

13404730 is a wasteful number, since it uses less digits than its factorization.

13404730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36273.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 13404730 is about 3661.2470553078. The cubic root of 13404730 is about 237.5487176145.

The spelling of 13404730 in words is "thirteen million, four hundred four thousand, seven hundred thirty".