13812041 has 4 divisors (see below), whose sum is σ = 14624532. Its totient is φ = 12999552.

The previous prime is 13812037. The next prime is 13812059. The reversal of 13812041 is 14021831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14021831 = 113 ⋅124087.

It can be written as a sum of positive squares in 2 ways, for example, as 10426441 + 3385600 = 3229^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 13812041 - 2² = 13812037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13812011) 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, 406220 + ... + 406253.

It is an arithmetic number, because the mean of its divisors is an integer number (3656133).

Almost surely, 2^13812041 is an apocalyptic number.

It is an amenable number.

13812041 is a deficient number, since it is larger than the sum of its proper divisors (812491).

13812041 is an equidigital number, since it uses as much as digits as its factorization.

13812041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812490.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 13812041 is about 3716.4554349541. The cubic root of 13812041 is about 239.9307728577.

Adding to 13812041 its reverse (14021831), we get a palindrome (27833872).

The spelling of 13812041 in words is "thirteen million, eight hundred twelve thousand, forty-one".