14881690 has 32 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 5622144.

The previous prime is 14881687. The next prime is 14881697. The reversal of 14881690 is 9618841.

It is a happy number.

14881690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14881690² = 442929394512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14881697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20107 + ... + 20833.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^14881690 is an apocalyptic number.

14881690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14881690 is a deficient number, since it is larger than the sum of its proper divisors (13422950).

14881690 is a wasteful number, since it uses less digits than its factorization.

14881690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 14881690 is about 3857.6793542232. The cubic root of 14881690 is about 245.9711006658.

The spelling of 14881690 in words is "fourteen million, eight hundred eighty-one thousand, six hundred ninety".