13132730 has 16 divisors (see below), whose sum is σ = 25457544. Its totient is φ = 4848960.

The previous prime is 13132703. The next prime is 13132741. The reversal of 13132730 is 3723131.

It is a happy number.

13132730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3775249 + 9357481 = 1943^2 + 3059^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50381 + ... + 50640.

Almost surely, 2^13132730 is an apocalyptic number.

13132730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13132730 is a deficient number, since it is larger than the sum of its proper divisors (12324814).

13132730 is a wasteful number, since it uses less digits than its factorization.

13132730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101041.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13132730 is about 3623.9108708687. The cubic root of 13132730 is about 235.9309982127.

Adding to 13132730 its reverse (3723131), we get a palindrome (16855861).

The spelling of 13132730 in words is "thirteen million, one hundred thirty-two thousand, seven hundred thirty".