11621383 has 2 divisors, whose sum is σ = 11621384. Its totient is φ = 11621382.

The previous prime is 11621359. The next prime is 11621399. The reversal of 11621383 is 38312611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11621383 - 2¹³ = 11613191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11621303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810691 + 5810692.

It is an arithmetic number, because the mean of its divisors is an integer number (5810692).

Almost surely, 2^11621383 is an apocalyptic number.

11621383 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621383 is an equidigital number, since it uses as much as digits as its factorization.

11621383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 11621383 is about 3409.0149603661. The cubic root of 11621383 is about 226.5092479172.

Adding to 11621383 its reverse (38312611), we get a palindrome (49933994).

The spelling of 11621383 in words is "eleven million, six hundred twenty-one thousand, three hundred eighty-three".