14721380 has 24 divisors (see below), whose sum is σ = 32260032. Its totient is φ = 5632352.

The previous prime is 14721367. The next prime is 14721383. The reversal of 14721380 is 8312741.

It is not an unprimeable number, because it can be changed into a prime (14721383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15542 + ... + 16461.

It is an arithmetic number, because the mean of its divisors is an integer number (1344168).

Almost surely, 2^14721380 is an apocalyptic number.

14721380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14721380 is an abundant number, since it is smaller than the sum of its proper divisors (17538652).

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

14721380 is a wasteful number, since it uses less digits than its factorization.

14721380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32035 (or 32033 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 14721380 is about 3836.8450581174. The cubic root of 14721380 is about 245.0846854269.

The spelling of 14721380 in words is "fourteen million, seven hundred twenty-one thousand, three hundred eighty".