13612530 has 32 divisors (see below), whose sum is σ = 32768064. Its totient is φ = 3619136.

The previous prime is 13612507. The next prime is 13612537. The reversal of 13612530 is 3521631.

It is a junction number, because it is equal to n+sod(n) for n = 13612497 and 13612506.

It is not an unprimeable number, because it can be changed into a prime (13612537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17224 + ... + 17996.

It is an arithmetic number, because the mean of its divisors is an integer number (1024002).

Almost surely, 2^13612530 is an apocalyptic number.

13612530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13612530 is an abundant number, since it is smaller than the sum of its proper divisors (19155534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13612530 is a wasteful number, since it uses less digits than its factorization.

13612530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13612530 is about 3689.5162284506. The cubic root of 13612530 is about 238.7699214940.

The spelling of 13612530 in words is "thirteen million, six hundred twelve thousand, five hundred thirty".