13377081 has 4 divisors (see below), whose sum is σ = 17836112. Its totient is φ = 8918052.

The previous prime is 13377073. The next prime is 13377097. The reversal of 13377081 is 18077331.

13377081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18077331 = 3 ⋅6025777.

It is not a de Polignac number, because 13377081 - 2³ = 13377073 is a prime.

It is a super-2 number, since 2×13377081² = 357892592161122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13373081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229511 + ... + 2229516.

It is an arithmetic number, because the mean of its divisors is an integer number (4459028).

Almost surely, 2^13377081 is an apocalyptic number.

It is an amenable number.

13377081 is a deficient number, since it is larger than the sum of its proper divisors (4459031).

13377081 is an equidigital number, since it uses as much as digits as its factorization.

13377081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459030.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 13377081 is about 3657.4692069791. The cubic root of 13377081 is about 237.3852801451.

The spelling of 13377081 in words is "thirteen million, three hundred seventy-seven thousand, eighty-one".