13191801 has 16 divisors (see below), whose sum is σ = 20152704. Its totient is φ = 7519104.

The previous prime is 13191793. The next prime is 13191809. The reversal of 13191801 is 10819131.

13191801 is digitally balanced in base 2, 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 (13191793) and next prime (13191809).

It is not a de Polignac number, because 13191801 - 2³ = 13191793 is a prime.

It is a super-2 number, since 2×13191801² = 348047227247202, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13191809) 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, 14965 + ... + 15821.

It is an arithmetic number, because the mean of its divisors is an integer number (1259544).

Almost surely, 2^13191801 is an apocalyptic number.

It is an amenable number.

13191801 is a deficient number, since it is larger than the sum of its proper divisors (6960903).

13191801 is an equidigital number, since it uses as much as digits as its factorization.

13191801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 13191801 is about 3632.0518994089. The cubic root of 13191801 is about 236.2842082544.

The spelling of 13191801 in words is "thirteen million, one hundred ninety-one thousand, eight hundred one".