13897130 has 32 divisors (see below), whose sum is σ = 27460944. Its totient is φ = 5031936.

The previous prime is 13897111. The next prime is 13897139. The reversal of 13897130 is 3179831.

It can be written as a sum of positive squares in 8 ways, for example, as 7491169 + 6405961 = 2737^2 + 2531^2 .

It is not an unprimeable number, because it can be changed into a prime (13897139) 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 15 ways as a sum of consecutive naturals, for example, 5882 + ... + 7898.

Almost surely, 2^13897130 is an apocalyptic number.

13897130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13897130 is a deficient number, since it is larger than the sum of its proper divisors (13563814).

13897130 is a wasteful number, since it uses less digits than its factorization.

13897130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13897130 is about 3727.8854596138. The cubic root of 13897130 is about 240.4224619401.

The spelling of 13897130 in words is "thirteen million, eight hundred ninety-seven thousand, one hundred thirty".