14991650 has 48 divisors (see below), whose sum is σ = 29248128. Its totient is φ = 5712000.

The previous prime is 14991619. The next prime is 14991659. The reversal of 14991650 is 5619941.

It is a self number, because there is not a number n which added to its sum of digits gives 14991650.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14991659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145499 + ... + 145601.

It is an arithmetic number, because the mean of its divisors is an integer number (609336).

Almost surely, 2^14991650 is an apocalyptic number.

14991650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14991650 is a deficient number, since it is larger than the sum of its proper divisors (14256478).

14991650 is a wasteful number, since it uses less digits than its factorization.

14991650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 14991650 is about 3871.9052157820. The cubic root of 14991650 is about 246.5754370039.

The spelling of 14991650 in words is "fourteen million, nine hundred ninety-one thousand, six hundred fifty".