11621273 has 2 divisors, whose sum is σ = 11621274. Its totient is φ = 11621272.

The previous prime is 11621243. The next prime is 11621303. The reversal of 11621273 is 37212611.

11621273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11621243) and next prime (11621303).

It can be written as a sum of positive squares in only one way, i.e., 7139584 + 4481689 = 2672^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 11621273 - 2⁸ = 11621017 is a prime.

It is a super-2 number, since 2×11621273² = 270107972281058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11621213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810636 + 5810637.

It is an arithmetic number, because the mean of its divisors is an integer number (5810637).

Almost surely, 2^11621273 is an apocalyptic number.

It is an amenable number.

11621273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621273 is an equidigital number, since it uses as much as digits as its factorization.

11621273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 11621273 is about 3408.9988266352. The cubic root of 11621273 is about 226.5085332548.

Adding to 11621273 its reverse (37212611), we get a palindrome (48833884).

The spelling of 11621273 in words is "eleven million, six hundred twenty-one thousand, two hundred seventy-three".