13645130 has 16 divisors (see below), whose sum is σ = 24640200. Its totient is φ = 5440512.

The previous prime is 13645127. The next prime is 13645157. The reversal of 13645130 is 3154631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7745089 + 5900041 = 2783^2 + 2429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13645096 and 13645105.

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, 1346 + ... + 5394.

Almost surely, 2^13645130 is an apocalyptic number.

13645130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13645130 is a deficient number, since it is larger than the sum of its proper divisors (10995070).

13645130 is a wasteful number, since it uses less digits than its factorization.

13645130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13645130 is about 3693.9315099227. The cubic root of 13645130 is about 238.9603757772.

Adding to 13645130 its reverse (3154631), we get a palindrome (16799761).

The spelling of 13645130 in words is "thirteen million, six hundred forty-five thousand, one hundred thirty".