14181690 has 32 divisors (see below), whose sum is σ = 34142976. Its totient is φ = 3769920.

The previous prime is 14181683. The next prime is 14181697. The reversal of 14181690 is 9618141.

14181690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14181683) and next prime (14181697).

It is a super-2 number, since 2×14181690² = 402240662512200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14181697) 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, 13380 + ... + 14400.

It is an arithmetic number, because the mean of its divisors is an integer number (1066968).

Almost surely, 2^14181690 is an apocalyptic number.

14181690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14181690 is an abundant number, since it is smaller than the sum of its proper divisors (19961286).

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

14181690 is a wasteful number, since it uses less digits than its factorization.

14181690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 14181690 is about 3765.8584678663. The cubic root of 14181690 is about 242.0523644169.

The spelling of 14181690 in words is "fourteen million, one hundred eighty-one thousand, six hundred ninety".