27021113 has 16 divisors (see below), whose sum is σ = 32459520. Its totient is φ = 21992256.

The previous prime is 27021083. The next prime is 27021121. The reversal of 27021113 is 31112072.

27021113 = T₄₉₇ + T₄₉₈ + ... + T₆₅₇.

It is a cyclic number.

It is not a de Polignac number, because 27021113 - 2⁸ = 27020857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27021091 and 27021100.

It is not an unprimeable number, because it can be changed into a prime (27020113) 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, 24743 + ... + 25811.

It is an arithmetic number, because the mean of its divisors is an integer number (2028720).

Almost surely, 2^27021113 is an apocalyptic number.

27021113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

27021113 is a deficient number, since it is larger than the sum of its proper divisors (5438407).

27021113 is a wasteful number, since it uses less digits than its factorization.

27021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 27021113 is about 5198.1836250752. The cubic root of 27021113 is about 300.0781759229.

Adding to 27021113 its reverse (31112072), we get a palindrome (58133185).

The spelling of 27021113 in words is "twenty-seven million, twenty-one thousand, one hundred thirteen".