14999620 has 24 divisors (see below), whose sum is σ = 31782744. Its totient is φ = 5945856.

The previous prime is 14999617. The next prime is 14999639. The reversal of 14999620 is 2699941.

It can be written as a sum of positive squares in 4 ways, for example, as 1633284 + 13366336 = 1278^2 + 3656^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059 + ... + 5578.

It is an arithmetic number, because the mean of its divisors is an integer number (1324281).

Almost surely, 2^14999620 is an apocalyptic number.

14999620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14999620 is an abundant number, since it is smaller than the sum of its proper divisors (16783124).

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

14999620 is a wasteful number, since it uses less digits than its factorization.

14999620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759 (or 6757 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 14999620 is about 3872.9342881077. The cubic root of 14999620 is about 246.6191248364.

The spelling of 14999620 in words is "fourteen million, nine hundred ninety-nine thousand, six hundred twenty".