13418990 has 32 divisors (see below), whose sum is σ = 26278560. Its totient is φ = 4904064.

The previous prime is 13418989. The next prime is 13419037. The reversal of 13418990 is 9981431.

It is a self number, because there is not a number n which added to its sum of digits gives 13418990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13697 + ... + 14643.

It is an arithmetic number, because the mean of its divisors is an integer number (821205).

Almost surely, 2^13418990 is an apocalyptic number.

13418990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13418990 is a deficient number, since it is larger than the sum of its proper divisors (12859570).

13418990 is a wasteful number, since it uses less digits than its factorization.

13418990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 13418990 is about 3663.1939615587. The cubic root of 13418990 is about 237.6329228225.

The spelling of 13418990 in words is "thirteen million, four hundred eighteen thousand, nine hundred ninety".