11446639 has 2 divisors, whose sum is σ = 11446640. Its totient is φ = 11446638.

The previous prime is 11446609. The next prime is 11446651. The reversal of 11446639 is 93664411.

It is a strong prime.

It is an emirp because it is prime and its reverse (93664411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11446639 - 2¹¹ = 11444591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11446609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5723319 + 5723320.

It is an arithmetic number, because the mean of its divisors is an integer number (5723320).

Almost surely, 2^11446639 is an apocalyptic number.

11446639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11446639 is an equidigital number, since it uses as much as digits as its factorization.

11446639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 11446639 is about 3383.2881934591. The cubic root of 11446639 is about 225.3682135490.

The spelling of 11446639 in words is "eleven million, four hundred forty-six thousand, six hundred thirty-nine".