13241813 has 16 divisors (see below), whose sum is σ = 15125376. Its totient is φ = 11499840.

The previous prime is 13241797. The next prime is 13241821. The reversal of 13241813 is 31814231.

13241813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13241813 - 2⁴ = 13241797 is a prime.

It is a super-2 number, since 2×13241813² = 350691223053938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13241863) 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, 19703 + ... + 20363.

It is an arithmetic number, because the mean of its divisors is an integer number (945336).

Almost surely, 2^13241813 is an apocalyptic number.

13241813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13241813 is a deficient number, since it is larger than the sum of its proper divisors (1883563).

13241813 is a wasteful number, since it uses less digits than its factorization.

13241813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 576, while the sum is 23.

The square root of 13241813 is about 3638.9301999351. The cubic root of 13241813 is about 236.5824274242.

The spelling of 13241813 in words is "thirteen million, two hundred forty-one thousand, eight hundred thirteen".