13820577 has 8 divisors (see below), whose sum is σ = 18550080. Its totient is φ = 9152400.

The previous prime is 13820563. The next prime is 13820591. The reversal of 13820577 is 77502831.

It is an interprime number because it is at equal distance from previous prime (13820563) and next prime (13820591).

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

It is not a de Polignac number, because 13820577 - 2⁴ = 13820561 is a prime.

It is a super-2 number, since 2×13820577² = 382016697225858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13830577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14802 + ... + 15707.

It is an arithmetic number, because the mean of its divisors is an integer number (2318760).

Almost surely, 2^13820577 is an apocalyptic number.

It is an amenable number.

13820577 is a deficient number, since it is larger than the sum of its proper divisors (4729503).

13820577 is a wasteful number, since it uses less digits than its factorization.

13820577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30663.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 13820577 is about 3717.6036636522. The cubic root of 13820577 is about 239.9801893370.

The spelling of 13820577 in words is "thirteen million, eight hundred twenty thousand, five hundred seventy-seven".