13020877 has 8 divisors (see below), whose sum is σ = 13358520. Its totient is φ = 12687360.

The previous prime is 13020857. The next prime is 13020883. The reversal of 13020877 is 77802031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 763876 + 12257001 = 874^2 + 3501^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13020877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020857) 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, 5949 + ... + 7837.

It is an arithmetic number, because the mean of its divisors is an integer number (1669815).

Almost surely, 2^13020877 is an apocalyptic number.

It is an amenable number.

13020877 is a deficient number, since it is larger than the sum of its proper divisors (337643).

13020877 is a wasteful number, since it uses less digits than its factorization.

13020877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 13020877 is about 3608.4452330609. The cubic root of 13020877 is about 235.2592702082.

The spelling of 13020877 in words is "thirteen million, twenty thousand, eight hundred seventy-seven".