13214140 has 24 divisors (see below), whose sum is σ = 28707840. Its totient is φ = 5103168.

The previous prime is 13214137. The next prime is 13214141. The reversal of 13214140 is 4141231.

13214140 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 2×13214140² = 349226991879200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214141) 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, 10812 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (1196160).

Almost surely, 2^13214140 is an apocalyptic number.

13214140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13214140 is an abundant number, since it is smaller than the sum of its proper divisors (15493700).

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

13214140 is a wasteful number, since it uses less digits than its factorization.

13214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22821 (or 22819 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 13214140 is about 3635.1258575186. The cubic root of 13214140 is about 236.4175076241.

Adding to 13214140 its reverse (4141231), we get a palindrome (17355371).

The spelling of 13214140 in words is "thirteen million, two hundred fourteen thousand, one hundred forty".