13650380 has 12 divisors (see below), whose sum is σ = 28665840. Its totient is φ = 5460144.

The previous prime is 13650359. The next prime is 13650391. The reversal of 13650380 is 8305631.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341240 + ... + 341279.

It is an arithmetic number, because the mean of its divisors is an integer number (2388820).

Almost surely, 2^13650380 is an apocalyptic number.

13650380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13650380 is an abundant number, since it is smaller than the sum of its proper divisors (15015460).

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

13650380 is a wasteful number, since it uses less digits than its factorization.

13650380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682528 (or 682526 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13650380 is about 3694.6420665607. The cubic root of 13650380 is about 238.9910187273.

The spelling of 13650380 in words is "thirteen million, six hundred fifty thousand, three hundred eighty".