13214139 has 8 divisors (see below), whose sum is σ = 18546240. Its totient is φ = 8345736.

The previous prime is 13214137. The next prime is 13214141. The reversal of 13214139 is 93141231.

13214139 is digitally balanced in base 3, 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 (13214137) and next prime (13214141).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13214139 - 2¹ = 13214137 is a prime.

It is a super-2 number, since 2×13214139² = 349226939022642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13214137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115857 + ... + 115970.

It is an arithmetic number, because the mean of its divisors is an integer number (2318280).

Almost surely, 2^13214139 is an apocalyptic number.

13214139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13214139 is a deficient number, since it is larger than the sum of its proper divisors (5332101).

13214139 is a wasteful number, since it uses less digits than its factorization.

13214139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231849.

The product of its digits is 648, while the sum is 24.

The square root of 13214139 is about 3635.1257199717. The cubic root of 13214139 is about 236.4175016603.

It can be divided in two parts, 1321 and 4139, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 13214139 in words is "thirteen million, two hundred fourteen thousand, one hundred thirty-nine".