13530376 has 8 divisors (see below), whose sum is σ = 25369470. Its totient is φ = 6765184.

The previous prime is 13530373. The next prime is 13530379. The reversal of 13530376 is 67303531.

It is an interprime number because it is at equal distance from previous prime (13530373) and next prime (13530379).

It can be written as a sum of positive squares in only one way, i.e., 12773476 + 756900 = 3574^2 + 870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530373) 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 as a sum of consecutive naturals, namely, 845641 + ... + 845656.

Almost surely, 2^13530376 is an apocalyptic number.

It is an amenable number.

13530376 is a deficient number, since it is larger than the sum of its proper divisors (11839094).

13530376 is a wasteful number, since it uses less digits than its factorization.

13530376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691303 (or 1691299 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 13530376 is about 3678.3659415561. The cubic root of 13530376 is about 238.2886125142.

The spelling of 13530376 in words is "thirteen million, five hundred thirty thousand, three hundred seventy-six".