11480639 has 2 divisors, whose sum is σ = 11480640. Its totient is φ = 11480638.

The previous prime is 11480621. The next prime is 11480641. The reversal of 11480639 is 93608411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11480639 is a prime.

Together with 11480641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11480659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5740319 + 5740320.

It is an arithmetic number, because the mean of its divisors is an integer number (5740320).

Almost surely, 2^11480639 is an apocalyptic number.

11480639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11480639 is an equidigital number, since it uses as much as digits as its factorization.

11480639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 11480639 is about 3388.3091653508. The cubic root of 11480639 is about 225.5911303686.

The spelling of 11480639 in words is "eleven million, four hundred eighty thousand, six hundred thirty-nine".