13650515 has 8 divisors (see below), whose sum is σ = 16406160. Its totient is φ = 10903392.

The previous prime is 13650491. The next prime is 13650517. The reversal of 13650515 is 51505631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13650515 - 2⁶ = 13650451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13650517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201 + ... + 5669.

It is an arithmetic number, because the mean of its divisors is an integer number (2050770).

Almost surely, 2^13650515 is an apocalyptic number.

13650515 is a deficient number, since it is larger than the sum of its proper divisors (2755645).

13650515 is an equidigital number, since it uses as much as digits as its factorization.

13650515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 13650515 is about 3694.6603362150. The cubic root of 13650515 is about 238.9918065852.

The spelling of 13650515 in words is "thirteen million, six hundred fifty thousand, five hundred fifteen".