13418550 has 36 divisors (see below), whose sum is σ = 36052380. Its totient is φ = 3578160.

The previous prime is 13418513. The next prime is 13418551. The reversal of 13418550 is 5581431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13418551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14460 + ... + 15359.

It is an arithmetic number, because the mean of its divisors is an integer number (1001455).

Almost surely, 2^13418550 is an apocalyptic number.

13418550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13418550 is an abundant number, since it is smaller than the sum of its proper divisors (22633830).

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

13418550 is a wasteful number, since it uses less digits than its factorization.

13418550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29837 (or 29829 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 13418550 is about 3663.1339041864. The cubic root of 13418550 is about 237.6303255175.

Adding to 13418550 its reverse (5581431), we get a palindrome (18999981).

The spelling of 13418550 in words is "thirteen million, four hundred eighteen thousand, five hundred fifty".