13530850 has 24 divisors (see below), whose sum is σ = 26493840. Its totient is φ = 5127120.

The previous prime is 13530833. The next prime is 13530857. The reversal of 13530850 is 5803531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (13530857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6172 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (1103910).

Almost surely, 2^13530850 is an apocalyptic number.

13530850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13530850 is a deficient number, since it is larger than the sum of its proper divisors (12962990).

13530850 is a wasteful number, since it uses less digits than its factorization.

13530850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14274 (or 14269 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 13530850 is about 3678.4303717754. The cubic root of 13530850 is about 238.2913950800.

The spelling of 13530850 in words is "thirteen million, five hundred thirty thousand, eight hundred fifty".